12 letter word starting with in

Words Parts of Speech Meaning/Definition/Similar Words
inabstinence noun Want of abstinence; indulgence.
inabstracted adjective Not abstracted.
inaccessible adjective Not accessible; not to be reached, obtained, or approached; as, an inaccessible rock, fortress, document, prince, etc.
inaccuracies plural of Inaccuracy
inaccurately adverb In an inaccurate manner; incorrectly; inexactly.
inadaptation noun Want of adaptation; unsuitableness.
inadequation noun Want of exact correspondence.
inadmissible adjective Not admissible; not proper to be admitted, allowed, or received; as, inadmissible testimony; an inadmissible proposition, or explanation.
inadvertence noun Alt. of Inadvertency
inadvertency noun The quality of being inadvertent; lack of heedfulness or attentiveness; inattention; negligence; as, many mistakes proceed from inadvertence., An effect of inattention; a result of carelessness; an oversight, mistake, or fault from negligence.
inaffability noun Want of affability or sociability; reticence.
inaniloquent adjective Alt. of Inaniloquous
inaniloquous adjective Given to talking inanely; loquacious; garrulous.
inanitiation noun Inanition.
inappealable adjective Not admitting of appeal; not appealable.
inappeasable adjective Incapable of being appeased or satisfied; unappeasable.
inappellable adjective Inappealable; final.
inapplicable adjective Not applicable; incapable of being applied; not adapted; not suitable; as, the argument is inapplicable to the case.
inarticulate adjective Not uttered with articulation or intelligible distinctness, as speech or words., Not jointed or articulated; having no distinct body segments; as, an inarticulate worm., Without a hinge; — said of an order (Inarticulata or Ecardines) of brachiopods., Incapable of articulating.
inartificial adjective Not artificial; not made or elaborated by art; natural; simple; artless; as, an inartificial argument; an inartificial character.
inaudibility noun The quality of being inaudible; inaudibleness.
inaugurating present participle & vb. noun of Inaugurate
inauguration noun The act of inuagurating, or inducting into office with solemnity; investiture by appropriate ceremonies., The formal beginning or initiation of any movement, course of action, etc.; as, the inauguration of a new system, a new condition, etc.
inauguratory adjective Suitable for, or pertaining to, inauguration.
inauspicious adjective Not auspicious; ill-omened; unfortunate; unlucky; unfavorable.
incalculable adjective Not capable of being calculated; beyond calculation; very great.
incalescence noun The state of being incalescent, or of growing warm.
incalescency noun Incalescence.
incameration noun The act or process of uniting lands, rights, or revenues, to the ecclesiastical chamber, i. e., to the pope’s domain.
incandescent adjective White, glowing, or luminous, with intense heat; as, incandescent carbon or platinum; hence, clear; shining; brilliant.
incapability noun The quality of being incapable; incapacity., Want of legal qualifications, or of legal power; as, incapability of holding an office.
incapacitate verb t. To deprive of capacity or natural power; to disable; to render incapable or unfit; to disqualify; as, his age incapacitated him for war., To deprive of legal or constitutional requisites, or of ability or competency for the performance of certain civil acts; to disqualify.
incapacities plural of Incapacity
incarcerated imp. & past participle of Incarcerate
incarcerator noun One who incarcerates.
incatenation noun The act of linking together; enchaining.
incendiarism noun The act or practice of maliciously setting fires; arson.
incendiaries plural of Incendiary
incensurable adjective Not censurable.
inchambering present participle & vb. noun of Inchamber
incharitable adjective Uncharitable; unfeeling.
incinerating present participle & vb. noun of Incinerate
incineration noun The act of incinerating, or the state of being incinerated; cremation.
incito-motor adjective Inciting to motion; — applied to that action which, in the case of muscular motion, commences in the nerve centers, and excites the muscles to contraction. Opposed to excito-motor.
incivilities plural of Incivility
inclemencies plural of Inclemency
inclinnation noun The act of inclining, or state of being inclined; a leaning; as, an inclination of the head., A direction or tendency from the true vertical or horizontal direction; as, the inclination of a column, or of a road bed., A tendency towards another body or point., The angle made by two lines or planes; as, the inclination of the plane of the earth’s equator to the plane of the ecliptic is about 23ยก 28′; the inclination of two rays of light., A leaning or tendency of the mind, feelings, preferences, or will; propensity; a disposition more favorable to one thing than to another; favor; desire; love., A person or thing loved or admired., Decantation, or tipping for pouring.
incoagulable adjective Not coagulable.
incogitantly adverb In an incogitant manner.
incogitative adjective Not cogitative; not thinking; wanting the power of thought; as, a vegetable is an incogitative being.
incognizable adjective Not cognizable; incapable of being recognized, known, or distinguished.
incognizance noun Failure to cognize, apprehended, or notice.
incoherently adverb In an incoherent manner; without due connection of parts.
incoincident adjective Not coincident; not agreeing in time, in place, or principle.
in commendam See Commendam, and Partnership in Commendam, under Partnership.
incommixture noun A state of being unmixed; separateness.
incommodated imp. & past participle of Incommodate
incommodious adjective Tending to incommode; not commodious; not affording ease or advantage; unsuitable; giving trouble; inconvenient; annoying; as, an incommodious seat; an incommodious arrangement.
incommutable adjective Not commutable; not capable of being exchanged with, or substituted for, another.
incomparable adjective Not comparable; admitting of no comparison with others; unapproachably eminent; without a peer or equal; matchless; peerless; transcendent.
incompassion noun Want of compassion or pity.
incompatible adjective Not compatible; so differing as to be incapable of harmonious combination or coexistence; inconsistent in thought or being; irreconcilably disagreeing; as, persons of incompatible tempers; incompatible colors, desires, ambition., Incapable of being together without mutual reaction or decomposition, as certain medicines., An incompatible substance; esp., in pl., things which can not be placed or used together because of a change of chemical composition or of opposing medicinal qualities; as, the incompatibles of iron.
incompatibly adverb In an incompatible manner; inconsistently; incongruously.
incompetence noun Alt. of Incompetency
incompetency noun The quality or state of being incompetent; want of physical, intellectual, or moral ability; insufficiency; inadequacy; as, the incompetency of a child hard labor, or of an idiot for intellectual efforts., Want of competency or legal fitness; incapacity; disqualification, as of a person to be heard as a witness, or to act as a juror, or of a judge to try a cause.
incompetible adjective See Incompatible.
incompletely adverb In an incomplete manner.
incompletion noun Want of completion; incompleteness.
incompliable adjective Not compliable; not conformable.
incompliance noun The quality or state of being incompliant; unyielding temper; obstinacy., Refusal or failure to comply.
incomputable adjective Not computable.
inconcerning adjective Unimportant; trifling.
inconcinnity noun Want of concinnity or congruousness; unsuitableness.
inconcinnous adjective Not concinnous; unsuitable; discordant.
inconcludent adjective Not inferring a conclusion or consequence; not conclusive.
inconcluding adjective Inferring no consequence.
inconclusive adjective Not conclusive; leading to no conclusion; not closing or settling a point in debate, or a doubtful question; as, evidence is inconclusive when it does not exhibit the truth of a disputed case in such a manner as to satisfy the mind, and put an end to debate or doubt.
inconcoction noun The state of being undigested; unripeness; immaturity.
inconcurring adjective Not concurring; disagreeing.
inconformity noun Want of conformity; nonconformity.
inconfutable adjective Not confutable.
incongruence noun Want of congruence; incongruity.
inconnection noun Disconnection.
inconnexedly adverb Not connectedly; without connection.
inconsequent adjective Not following from the premises; not regularly inferred; invalid; not characterized by logical method; illogical; arbitrary; inconsistent; of no consequence.
inconsistent adjective Not consistent; showing inconsistency; irreconcilable; discordant; at variance, esp. as regards character, sentiment, or action; incompatible; incongruous; contradictory., Not exhibiting uniformity of sentiment, steadiness to principle, etc.; unequal; fickle; changeable.
inconsisting adjective Inconsistent.
inconsolable adjective Not consolable; incapable of being consoled; grieved beyond susceptibility of comfort; disconsolate.
inconsonance noun Alt. of Inconsonancy
inconsonancy noun Want of consonance or harmony of sound, action, or thought; disagreement.
inconstantly adverb In an inconstant manner.
incomsumable adjective Not consumable; incapable of being consumed, wasted, or spent.
inconsummate adjective Not consummated; not finished; incomplete.
incontiguous adjective Not contiguous; not adjoining or in contact; separate.
incontinence noun Alt. of Incontinency
incontinency noun Incapacity to hold; hence, incapacity to hold back or restrain; the quality or state of being incontinent; want of continence; failure to restrain the passions or appetites; indulgence of lust; lewdness., The inability of any of the animal organs to restrain the natural evacuations, so that the discharges are involuntary; as, incontinence of urine.
incontracted adjective Uncontracted.
inconvenient adjective Not becoming or suitable; unfit; inexpedient., Not convenient; giving trouble, uneasiness, or annoyance; hindering progress or success; uncomfortable; disadvantageous; incommodious; inopportune; as, an inconvenient house, garment, arrangement, or time.
inconversant adjective Not conversant; not acquainted; not versed; unfamiliar.
incoordinate adjective Not coordinate.
incorporally adverb Incorporeally.
incorporated imp. & past participle of Incorporate, United in one body; formed into a corporation; made a legal entity.
incorporator noun One of a number of persons who gets a company incorporated; one of the original members of a corporation.
incorporeity noun The quality of being incorporeal; immateriality.
incorrection noun Want of correction, restraint, or discipline.
incorrigible adjective Not corrigible; incapable of being corrected or amended; bad beyond correction; irreclaimable; as, incorrigible error., One who is corrigible; especially, a hardened criminal; as, the perpetual imprisonment of incorrigibles.
incorrigibly adverb In an incorrigible manner.
incorrodible adjective Incapable of being corroded, consumed, or eaten away.
incorruption noun The condition or quality of being incorrupt or incorruptible; absence of, or exemption from, corruption.
incorruptive adjective Incorruptible; not liable to decay.
incrassating present participle & vb. noun of Incrassate
incrassation noun The act or process of thickening or making thick; the process of becoming thick or thicker., The state of being incrassated or made thick; inspissation.
incrassative adjective Having the quality of thickening; tending to thicken., A substance which has the power to thicken; formerly, a medicine supposed to thicken the humors.
increasement noun Increase.
increasingly adverb More and more.
incriminated imp. & past participle of Incriminate
incrustation noun The act of incrusting, or the state of being incrusted., A crust or hard coating of anything upon or within a body, as a deposit of lime, sediment, etc., from water on the inner surface of a steam boiler., A covering or inlaying of marble, mosaic, etc., attached to the masonry by cramp irons or cement., Anything inlaid or imbedded.
incultivated adjective Uncultivated.
incumbencies plural of Incumbency
incumbrancer noun One who holds an incumbrance, or some legal claim, lien, or charge on an estate.
incurability noun The state of being uncurable; irremediableness.
indebtedness noun The state of being indebted., The sum owed; debts, collectively.
indecisively adverb Without decision.
indecorously adverb In an indecorous manner.
indefeasible adjective Not to be defeated; not defeasible; incapable of being annulled or made void; as, an indefeasible or title.
indefectible adjective Not defectible; unfailing; not liable to defect, failure, or decay.
indefeisible adjective Indefeasible.
indefensible Not defensible; not capable of being defended, maintained, vindicated, or justified; unjustifiable; untenable; as, an indefensible fortress, position, cause, etc.
indefensibly adverb In an indefensible manner.
indeficiency noun The state or quality of not being deficient.
indefinitely adverb In an indefinite manner or degree; without any settled limitation; vaguely; not with certainty or exactness; as, to use a word indefinitely.
indefinitude noun Indefiniteness; vagueness; also, number or quantity not limited by our understanding, though yet finite.
indehiscence noun The property or state of being indehiscent.
indelectable adjective Not delectable; unpleasant; disagreeable.
indeliberate adjective Done without deliberation; unpremeditated.
indelibility noun The quality of being indelible.
indelicacies plural of Indelicacy
indemnifying present participle & vb. noun of Indemnify
indenization noun The act of naturalizing; endenization.
indenizening present participle & vb. noun of Indenizen
independence noun The state or quality of being independent; freedom from dependence; exemption from reliance on, or control by, others; self-subsistence or maintenance; direction of one’s own affairs without interference., Sufficient means for a comfortable livelihood.
independency noun Independence., Doctrine and polity of the Independents.
indeprecable adjective Incapable or undeserving of being deprecated.
indeprivable adjective Incapable of being deprived, or of being taken away.
indetermined adjective Undetermined.
india rubber See Caoutchouc.
indicatively adverb In an indicative manner; in a way to show or signify.
indifference noun The quality or state of being indifferent, or not making a difference; want of sufficient importance to constitute a difference; absence of weight; insignificance., Passableness; mediocrity., Impartiality; freedom from prejudice, prepossession, or bias., Absence of anxiety or interest in respect to what is presented to the mind; unconcernedness; as, entire indifference to all that occurs.
indifferency noun Absence of interest in, or influence from, anything; unconcernedness; equilibrium; indifferentism; indifference.
indigestible adjective Not digestible; not readily soluble in the digestive juices; not easily convertible into products fitted for absorption., Not digestible in the mind; distressful; intolerable; as, an indigestible simile.
indigitating present participle & vb. noun of Indigitate
indigitation noun The act of pointing out as with the finger; indication.
indirectness noun The quality or state of being indirect; obliquity; deviousness; crookedness., Deviation from an upright or straightforward course; unfairness; dishonesty.
indiscipline noun Want of discipline or instruction.
indiscretion noun The quality or state of being indiscreet; want of discretion; imprudence., An indiscreet act; indiscreet behavior.
indisputable adjective Not disputable; incontrovertible; too evident to admit of dispute.
indissipable adjective Incapable o/ being dissipated.
indissoluble adjective Not dissoluble; not capable of being dissolved, melted, or liquefied; insoluble; as few substances are indissoluble by heat, but many are indissoluble in water., Incapable of being rightfully broken or dissolved; perpetually binding or obligatory; firm; stable, as, an indissoluble league or covenant.
indissolubly adverb In an indissoluble manner.
indistinctly adverb In an indistinct manner; not clearly; confusedly; dimly; as, certain ideas are indistinctly comprehended.
indivertible adjective Not to be diverted or turned aside.
individually adverb In an individual manner or relation; as individuals; separately; each by itself., In an inseparable manner; inseparably; incommunicably; indivisibly; as, individuallyhe same.
individuator noun One who, or that which, individuates.
indo-chinese adjective Of or pertaining to Indo-China (i. e., Farther India, or India beyond the Ganges).
indocibility noun The state of being indocible; indocibleness; indocility.
indoctrinate verb t. To instruct in the rudiments or principles of learning, or of a branch of learning; to imbue with learning; to instruct in, or imbue with, principles or doctrines; to teach; — often followed by in.
indo-english adjective Of or relating to the English who are born or reside in India; Anglo-Indian.
inductometer noun An instrument for measuring or ascertaining the degree or rate of electrical induction.
inductoriums plural of Inductorium
indulgential adjective Relating to the indulgences of the Roman Catholic Church.
industrially adverb With reference to industry.
ineffability noun The quality or state of being ineffable; ineffableness; unspeakableness.
ineffaceable adjective Incapable of being effaced; indelible; ineradicable.
ineffaceably adverb So as not to be effaceable.
ineffectible adjective Ineffectual; impracticable.
inefficiency noun The quality of being inefficient; want of power or energy sufficient; want of power or energy sufficient for the desired effect; inefficacy; incapacity; as, he was discharged from his position for inefficiency.
inelasticity noun Want of elasticity.
inelegancies plural of Inelegancy
ineloquently adverb Without eloquence.
inembryonate adjective Not embryonate.
inernarrable adjective Incapable of being narrated; indescribable; ineffable.
inequalities plural of Inequality
inequilobate adjective Unequally lobed; cut into lobes of different shapes or sizes.
ineradicable adjective Incapable of being /radicated or rooted out.
ineradicably adverb So as not to be eradicable.
inerrability noun Freedom or exemption from error; infallibility.
inescutcheon noun A small escutcheon borne within a shield.
inexactitude noun Inexactness; uncertainty; as, geographical inexactitude.
inexecutable adjective Incapable of being executed or performed; impracticable; infeasible.
inexhaustive adjective Inexhaustible.
inexpansible adjective Incapable of expansion, enlargement, or extension.
inexpectable adjective Not to be expected or anticipated.
inexpectedly adverb Unexpectedly.
inexpedience noun Alt. of Inexpediency
inexpediency noun The quality or state of being inexpedient; want of fitness; unsuitableness to the end or object; impropriety; as, the inexpedience of some measures.
inexperience noun Absence or want of experience; lack of personal and experimental knowledge; as, the inexperience of youth.
inexpertness noun Want of expertness or skill.
inexplicable adjective Not explicable; not explainable; incapable of being explained, interpreted, or accounted for; as, an inexplicable mystery.
inexplicably adverb In an inexplicable manner.
inexplorable adjective Incapable of being explored, searched out, or discovered.
inexpressive adjective Inexpressible., Without expression or meaning; not expressive; dull; unintelligent; as, an inexpressive countenance.
inexpugnable adjective Incapable of being subdued by force; impregnable; unconquerable.
inexpugnably adverb So as to be inexpugnable; in an inexpugnable manner.
inextensible adjective Not capable of being extended; not elastic; as, inextensible fibers.
inextirpable adjective Not capable of being extirpated or rooted out; ineradicable.
inextricable adjective Incapable of being extricated, untied, or disentangled; hopelessly intricate, confused, or obscure; as, an inextricable knot or difficulty; inextricable confusion., Inevitable.
inextricably adverb In an inextricable manner.
infabricated adjective Not fabricated; unwrought; not artificial; natural.
infamousness noun The state or quality of being infamous; infamy.
infanticidal adjective Of or pertaining to infanticide; engaged in, or guilty of, child murder.
infectiously adverb In an infectious manner.
infelicitous adjective Not felicitous; unhappy; unfortunate; not fortunate or appropriate in application; not well said, expressed, or done; as, an infelicitous condition; an infelicitous remark; an infelicitous description; infelicitous words.
infelicities plural of Infelicity
infesttation noun The act of infesting or state of being infested; molestation; vexation; annoyance.
infibulation noun The act of clasping, or fastening, as with a buckle or padlock., The act of attaching a ring, clasp, or frame, to the genital organs in such a manner as to prevent copulation.
infidelities plural of Infidelity
infiltrating present participle & vb. noun of Infiltrate
infiltration noun The act or process of infiltrating, as if water into a porous substance, or of a fluid into the cells of an organ or part of the body., The substance which has entered the pores or cavities of a body.
infiltrative adjective Of or pertaining to infiltration.
infiniteness noun The state or quality of being infinite; infinity; greatness; immensity.
inflammation noun The act of inflaming, kindling, or setting on fire; also, the state of being inflamed., A morbid condition of any part of the body, consisting in congestion of the blood vessels, with obstruction of the blood current, and growth of morbid tissue. It is manifested outwardly by redness and swelling, attended with heat and pain., Violent excitement; heat; passion; animosity; turbulence; as, an inflammation of the mind, of the body politic, or of parties.
inflammative adjective Inflammatory.
inflammatory adjective Tending to inflame, kindle, or irritate., Tending to excite anger, animosity, tumult, or sedition; seditious; as, inflammatory libels, writings, speeches, or publications., Accompanied with, or tending to cause, preternatural heat and excitement of arterial action; as, an inflammatory disease.
inflationist noun One who favors an increased or very large issue of paper money.
inflectional adjective Of or pertaining to inflection; having, or characterized by, inflection.
informidable adjective Not formidable; not to be feared or dreaded.
inframundane adjective Lying or situated beneath the world.
infraorbital adjective Below the orbit; as, the infraorbital foramen; the infraorbital nerve.
infraspinate adjective Alt. of Infraspinous
infraspinous adjective Below the spine; infraspinal; esp., below the spine of the scapula; as, the infraspinous fossa; the infraspinate muscle.
infrasternal adjective Below the sternum; as, the infrasternal depression, or pit of the stomach.
infrequently adverb Not frequently; rarely.
infringement noun The act of infringing; breach; violation; nonfulfillment; as, the infringement of a treaty, compact, law, or constitution., An encroachment on a patent, copyright, or other special privilege; a trespass.
infundibular adjective Alt. of Infundibulate
infundibulum noun A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes., A central cavity in the Ctenophora, into which the gastric sac leads., The siphon of Cephalopoda. See Cephalopoda.
infusibility noun Capability of being infused, pouredin, or instilled., Incapability or difficulty of being fused, melted, or dissolved; as, the infusibility of carbon.
ingeminating present participle & vb. noun of Ingeminate
ingemination noun Repetition; reduplication; reiteration.
ingenerating present participle & vb. noun of Ingenerate
ingeneration noun Act of ingenerating.
ingloriously adverb In an inglorious manner; dishonorably; with shame; ignominiously; obscurely.
ingratiating present participle & vb. noun of Ingratiate
inhabitation noun The act of inhabiting, or the state of being inhabited; indwelling., Abode; place of dwelling; residence., Population; inhabitants.
inharmonical adjective Not harmonic; inharmonious; discordant; dissonant.
inharmonious adjective Not harmonious; unmusical; discordant; dissonant., Conflicting; jarring; not in harmony.
inhospitable adjective Not hospitable; not disposed to show hospitality to strangers or guests; as, an inhospitable person or people., Affording no shelter or sustenance; barren; desert; bleak; cheerless; wild.
inhumanities plural of Inhumanity
inimaginable adjective Unimaginable; inconceivable.
inimicitious adjective Inimical; unfriendly.
iniquitously adverb In an iniquitous manner; unjustly; wickedly.
inirritative adjective Not accompanied with excitement; as, an inirritative fever.
innutritious adjective Not nutritious; not furnishing nourishment.
inobservable adjective Not observable.
inobservance adjective Want or neglect of observance.
inoccupation noun Want of occupation.
inofficially adverb Without the usual forms, or not in the official character.
inoperculate adjective Having no operculum; — said of certain gastropod shells.
inoppressive adjective Not oppressive or burdensome.
inordination noun Deviation from custom, rule, or right; irregularity; inordinacy.
inosculating present participle & vb. noun of Inosculate
inosculation noun The junction or connection of vessels, channels, or passages, so that their contents pass from one to the other; union by mouths or ducts; anastomosis; intercommunication; as, inosculation of veins, etc.
inoxidizable adjective Incapable of being oxidized; as, gold and platinum are inoxidizable in the air.
inquartation noun Quartation.
inquietation noun Disturbance.
inreristered imp. & past participle of Inregister
insalivation noun The mixing of the food with the saliva and other secretions of the mouth in eating.
insalubrious adjective Not salubrious or healthful; unwholesome; as, an insalubrious air or climate.
insanability noun The state of being insanable or incurable; insanableness.
insanitation noun Lack of sanitation; careless or dangerous hygienic conditions.
inscriptible adjective Capable of being inscribed; inscribable.
insculptured p. adjective Engraved.
insectivores plural of Insectivore
insectologer noun An entomologist.
insecureness noun Insecurity.
insecurities plural of Insecurity
insemination noun A sowing.
inseparately adverb Inseparably.
insolubility noun The quality or state of being insoluble or not dissolvable, as in a fluid., The quality of being inexplicable or insolvable.
insolvencies plural of Insolvency
insomnolence noun Sleeplessness.
inspectorate noun Inspectorship.
inspectorial adjective Of or pertaining to an inspector or to inspection.
inspissating present participle & vb. noun of Inspissate
inspissation noun The act or the process of inspissating, or thickening a fluid substance, as by evaporation; also, the state of being so thickened.
instableness noun Instability; unstableness.
installation noun The act of installing or giving possession of an office, rank, or order, with the usual rites or ceremonies; as, the installation of an ordained minister in a parish., The whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.
instaurating present participle & vb. noun of Instaurate
instauration noun Restoration after decay, lapse, or dilapidation; renewal; repair; renovation; renaissance.
instillation noun The of instilling; also, that which is instilled.
instilllator noun An instiller.
instratified adjective Interstratified.
instructible adjective Capable of being instructed; teachable; docible.
instructress noun A woman who instructs; a preceptress; a governess.
instrumental adjective Acting as an instrument; serving as a means; contributing to promote; conductive; helpful; serviceable; as, he was instrumental in conducting the business., Pertaining to, made by, or prepared for, an instrument, esp. a musical instrument; as, instrumental music, distinguished from vocal music., Applied to a case expressing means or agency; as, the instrumental case. This is found in Sanskrit as a separate case, but in Greek it was merged into the dative, and in Latin into the ablative. In Old English it was a separate case, but has disappeared, leaving only a few anomalous forms.
insubjection noun Want of subjection or obedience; a state of disobedience, as to government.
insubmission noun Want of submission; disobedience; noncompliance.
insufferable adjective Incapable of being suffered, borne, or endured; insupportable; unendurable; intolerable; as, insufferable heat, cold, or pain; insufferable wrongs., Offensive beyond endurance; detestable.
insufferably adverb In a manner or to a degree beyond endurance; intolerably; as, a blaze insufferably bright; a person insufferably proud.
insufficient adjective Not sufficient; not enough; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality., Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit; as, a person insufficient to discharge the duties of an office.
insufflation noun The act of breathing on or into anything, The breathing upon a person in the sacrament of baptism to symbolize the inspiration of a new spiritual life., The act of blowing (a gas, powder, or vapor) into any cavity of the body.
insupposable adjective Incapable of being supposed; not supposable; inconceivable.
insurrection noun A rising against civil or political authority, or the established government; open and active opposition to the execution of law in a city or state., A rising in mass to oppose an enemy.
insusceptive adjective Not susceptive or susceptible.
integumation noun That part of physiology which treats of the integuments of animals and plants.
intellection noun A mental act or process; especially: (a) The act of understanding; simple apprehension of ideas; intuition. Bentley. (b) A creation of the mind itself.
intellective adjective Pertaining to, or produced by, the intellect or understanding; intellectual., Having power to understand, know, or comprehend; intelligent; rational., Capable of being perceived by the understanding only, not by the senses.
intellectual adjective Belonging to, or performed by, the intellect; mental; as, intellectual powers, activities, etc., Endowed with intellect; having the power of understanding; having capacity for the higher forms of knowledge or thought; characterized by intelligence or mental capacity; as, an intellectual person., Suitable for exercising the intellect; formed by, and existing for, the intellect alone; perceived by the intellect; as, intellectual employments., Relating to the understanding; treating of the mind; as, intellectual philosophy, sometimes called “mental” philosophy., The intellect or understanding; mental powers or faculties.
intelligence noun The act or state of knowing; the exercise of the understanding., The capacity to know or understand; readiness of comprehension; the intellect, as a gift or an endowment., Information communicated; news; notice; advice., Acquaintance; intercourse; familiarity., Knowledge imparted or acquired, whether by study, research, or experience; general information., An intelligent being or spirit; — generally applied to pure spirits; as, a created intelligence.
intelligency noun Intelligence.
intelligible Capable of being understood or comprehended; as, an intelligible account or description; intelligible pronunciation, writing, etc.
intelligibly adverb In an intelligible manner; so as to be understood; clearly; plainly; as, to write or speak intelligibly.
intemerament noun A bad state; as, the intemperament of an ulcerated part.
intemperance noun The act of becoming, or state of being, intemperate; excess in any kind of action or indulgence; any immoderate indulgence of the appetites or passions., Specifically: Habitual or excessive indulgence in alcoholic liquors.
intemperancy noun Intemperance.
intempestive adjective Out of season; untimely.
intendancies plural of Intendancy
intenerating present participle & vb. noun of Intenerate
inteneration noun The act or process of intenerating, or the state of being intenerated; softening.
intensifying present participle & vb. noun of Intensify
interanimate verb t. To animate or inspire mutually.
intercalated imp. & past participle of Intercalate
intercarotid adjective Situated between the external and internal carotid arteries; as, an intercarotid ganglion.
intercedence noun The act of interceding; intercession; intervention.
intercentral adjective Between centers.
intercentrum noun The median of the three elements composing the centra of the vertebrae in some fossil batrachians.
intercepting present participle & vb. noun of Intercept
interception noun The act of intercepting; as, interception of a letter; interception of the enemy.
interceptive adjective Intercepting or tending to intercept.
intercession noun The act of interceding; mediation; interposition between parties at variance, with a view to reconcilation; prayer, petition, or entreaty in favor of, or (less often) against, another or others.
intercessory adjective Pertaining to, of the nature of, or characterized by, intercession; interceding; as, intercessory prayer.
interchained imp. & past participle of Interchain
interchanged imp. & past participle of Interchange
interchapter noun An intervening or inserted chapter.
intercidence noun The act or state of coming or falling between; occurrence; incident.
intercipient adjective Intercepting; stopping., One who, or that which, intercepts or stops anything on the passage.
intercluding present participle & vb. noun of Interclude
interclusion noun Interception; a stopping / obstruction.
intercolline adjective Situated between hills; — applied especially to valleys lying between volcanic cones.
intercommune verb i. To intercommunicate., To have mutual communication or intercourse by conservation.
interconnect verb t. To join together.
intercrossed imp. & past participle of Intercross
intercurrent adjective Running between or among; intervening., Not belonging to any particular season., Said of diseases occurring in the course of another disease., Something intervening.
interdashing present participle & vb. noun of Interdash
interdicting present participle & vb. noun of Interdict
interdiction noun The act of interdicting; prohibition; prohibiting decree; curse; interdict.
interdictive adjective Having the power to prohibit; as, an interdictive sentence.
interdictory adjective Belonging to an interdiction; prohibitory.
interdigital adjective Between the fingers or toes; as, interdigital space.
interference noun The act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others., The mutual influence, under certain conditions, of two streams of light, or series of pulsations of sound, or, generally, two waves or vibrations of any kind, producing certain characteristic phenomena, as colored fringes, dark bands, or darkness, in the case of light, silence or increased intensity in sounds; neutralization or superposition of waves generally., The act or state of interfering, or of claiming a right to the same invention.
interfoliate verb t. To interleave.
interfretted adjective Interlaced; linked together; — said of charges or bearings. See Fretted.
interfulgent adjective Shining between.
intergraving present participle & vb. noun of Intergrave
interjacence noun Alt. of Interjacency
interjacency noun The state of being between; a coming or lying between or among; intervention; also, that which lies between.
interjecting present participle & vb. noun of Interject
interjection noun The act of interjecting or throwing between; also, that which is interjected., A word or form of speech thrown in to express emotion or feeling, as O! Alas! Ha ha! Begone! etc. Compare Exclamation.
interjoining present participle & vb. noun of Interjoin
interlaminar adjective Between lammellae or laminae; as, interlamellar spaces.
interlarding present participle & vb. noun of Interlard
interleaving present participle & vb. noun of Interleave
interlineary adjective Interlinear., A book containing interlineations.
interlobular adjective Between lobules; as, the interlobular branches of the portal vein.
interlocutor noun One who takes part in dialogue or conversation; a talker, interpreter, or questioner., An interlocutory judgment or sentence.
intermaxilla noun See Premaxilla.
intermeation noun A flowing between.
intermeddler noun One who meddles with, or intrudes into, the affairs of others.
intermediacy noun Interposition; intervention.
intermediary adjective Lying, coming, or done, between; intermediate; as, an intermediary project., One who, or that which, is intermediate; an interagent; a go-between.
intermediate adjective Lying or being in the middle place or degree, or between two extremes; coming or done between; intervening; interposed; interjacent; as, an intermediate space or time; intermediate colors., To come between; to intervene; to interpose.
intermedious adjective Intermediate.
intermediums plural of Intermedium
intermembral adjective Between members or limbs; as, intermembral homology, the correspondence of the limbs with each other.
intermention verb t. To mention among other things, or casually or incidentally.
interminable adjective Without termination; admitting no limit; boundless; endless; wearisomely protracted; as, interminable space or duration; interminable sufferings.
interminably adverb Without end or limit.
interminated adjective Interminable; interminate; endless; unending.
intermission noun The act or the state of intermitting; the state of being neglected or disused; disuse; discontinuance., Cessation for a time; an intervening period of time; an interval; a temporary pause; as, to labor without intermission; an intermission of ten minutes., The temporary cessation or subsidence of a fever; the space of time between the paroxysms of a disease. Intermission is an entire cessation, as distinguished from remission, or abatement of fever., Intervention; interposition.
intermissive adjective Having temporary cessations; not continual; intermittent.
intermitting present participle & vb. noun of Intermit
intermittent adjective Coming and going at intervals; alternating; recurrent; periodic; as, an intermittent fever., An intermittent fever or disease.
intermixedly adverb In a mixed manner.
intermixture noun A mass formed by mixture; a mass of ingredients mixed., Admixture; an additional ingredient.
intermontane adjective Between mountains; as, intermontane soil.
intermundane adjective Being, between worlds or orbs.
intermundian adjective Intermundane.
interneciary adjective Alt. of Internecinal
internecinal adjective Internecine.
internection noun Intimate connection.
internuncial adjective Of or pertaining to an internuncio., Communicating or transmitting impressions between different parts of the body; — said of the nervous system.
internuncios plural of Internuncio
internuncius noun Internuncio.
interoceanic adjective Between oceans; connecting oceans; as, interoceanic communication; an interoceanic canal.
interorbital adjective Between the orbits; as, the interorbital septum.
interosseous adjective Situated between bones; as, an interosseous ligament.
interpellant adjective Interpelling; interrupting., One who, or that which, interpels.
interpellate verb t. To question imperatively, as a minister, or other executive officer, in explanation of his conduct; — generally on the part of a legislative body.
interpleader noun One who interpleads., A proceeding devised to enable a person, of whom the same debt, duty, or thing is claimed adversely by two or more parties, to compel them to litigate the right or title between themselves, and thereby to relieve himself from the suits which they might otherwise bring against him.
interpolable adjective That may be interpolated; suitable to be interpolated.
interpolated imp. & past participle of Interpolate, Inserted in, or added to, the original; introduced; foisted in; changed by the insertion of new or spurious matter., Provided with necessary interpolations; as, an interpolated table., Introduced or determined by interpolation; as, interpolated quantities or numbers.
interpolator noun One who interpolates; esp., one who inserts foreign or spurious matter in genuine writings.
interpreting present participle & vb. noun of Interpret
interpretive adjective Interpretative.
interreceive verb t. To receive between or within.
interregency noun An interregnum.
interregnums plural of Interregnum
interrelated adjective Having a mutual or reciprocal relation or parallelism; correlative.
interrogatee noun One who is interrogated.
interrogator noun One who asks questions; a questioner.
interrupting present participle & vb. noun of Interrupt
interruption noun The act of interrupting, or breaking in upon., The state of being interrupted; a breach or break, caused by the abrupt intervention of something foreign; intervention; interposition., Obstruction caused by breaking in upon course, current, progress, or motion; stop; hindrance; as, the author has met with many interruptions in the execution of his work; the speaker or the argument proceeds without interruption., Temporary cessation; intermission; suspension.
interruptive adjective Tending to interrupt; interrupting.
interscinded imp. & past participle of Interscind
interscribed imp. & past participle of Interscribe
intersecting present participle & vb. noun of Intersect
intersection noun The act, state, or place of intersecting., The point or line in which one line or surface cuts another.
interserting present participle & vb. noun of Intersert
interspersed imp. & past participle of Intersperse
interspinous adjective Between spines; esp., between the spinous processes of the vertebral column.
interstellar adjective Between or among the stars; as, interstellar space.
intersternal adjective Between the sternal; — said of certain membranes or parts of insects and crustaceans.
interstitial adjective Of or pertaining to interstices; intermediate; within the tissues; as, interstitial cavities or spaces in the tissues of animals or plants.
interstition noun An intervening period of time; interval.
intertexture noun The act of interweaving, or the state of being interwoven; that which is interwoven.
intertissued adjective Interwoven.
intertraffic noun Mutual trade of traffic.
intertubular adjective Between tubes or tubules; as, intertubular cells; intertubular substance.
interungular adjective Alt. of Interungulate
intervallums plural of Intervallum
intervenient adjective Being or coming between; intercedent; interposed.
intervention noun The act of intervening; interposition., Any interference that may affect the interests of others; especially, of one or more states with the affairs of another; mediation., The act by which a third person, to protect his own interest, interposes and becomes a party to a suit pending between other parties.
interviewing noun The act or custom of holding an interview or interviews.
intervisible adjective Mutually visible, or in sight, the one from the other, as stations.
intervolving present participle & vb. noun of Intervolve
interweaving present participle & vb. noun of Interweave
interworking noun The act of working in together; interweaving.
interwreathe verb t. To weave into a wreath; to intertwine.
inthrallment noun Act of inthralling, or state of being inthralled; servitude; bondage; vassalage.
intimidating present participle & vb. noun of Intimidate
intimidation noun The act of making timid or fearful or of deterring by threats; the state of being intimidated; as, the voters were kept from the polls by intimidation.
intimidatory adjective Tending or serving to intimidate.
intinctivity noun The want of the quality of coloring or tingeing other bodies.
intolerantly adverb In an intolerant manner.
intolerating adjective Intolerant.
intoleration noun Intolerance; want of toleration; refusal to tolerate a difference of opinion.
intoxicating present participle & vb. noun of Intoxicate, Producing intoxication; fitted to intoxicate; as, intoxicating liquors.
intoxication noun A poisoning, as by a spirituous or a narcotic substance., The state of being intoxicated or drunk; inebriation; ebriety; drunkenness; the act of intoxicating or making drunk., A high excitement of mind; an elation which rises to enthusiasm, frenzy, or madness.
intracranial adjective Within the cranium or skull.
intralobular adjective Within lobules; as, the intralobular branches of the hepatic veins.
intramundane adjective Being within the material world; — opposed to extramundane.
intranssient adjective Not transient; remaining; permanent.
intransigent adjective Refusing compromise; uncompromising; irreconcilable.
intransitive adjective Not passing farther; kept; detained., Not transitive; not passing over to an object; expressing an action or state that is limited to the agent or subject, or, in other words, an action which does not require an object to complete the sense; as, an intransitive verb, e. g., the bird flies; the dog runs.
intranuclear adjective Within the nucleus of a cell; as. the intranuclear network of fibrils, seen in the first stages of karyokinesis.
intrauterine adjective Within the uterus or womb; as, intrauterine hemorrhage.
intrenchment noun The act of intrenching or the state of being intrenched., Any defensive work consisting of at least a trench or ditch and a parapet made from the earth thrown up in making such a ditch., Any defense or protection., An encroachment or infringement.
intriguingly adverb By means of, or in the manner of, intrigue.
intrinsicate adjective Intricate.
introcession noun A depression, or inward sinking of parts.
introduction noun The act of introducing, or bringing to notice., The act of formally making persons known to each other; a presentation or making known of one person to another by name; as, the introduction of one stranger to another., That part of a book or discourse which introduces or leads the way to the main subject, or part; preliminary; matter; preface; proem; exordium., A formal and elaborate preliminary treatise; specifically, a treatise introductory to other treatises, or to a course of study; a guide; as, an introduction to English literature.
introductive adjective Serving to introduce; introductory.
introductory adjective Serving to introduce something else; leading to the main subject or business; preliminary; prefatory; as, introductory proceedings; an introductory discourse.
intromission noun The act of sending in or of putting in; insertion., The act of letting go in; admission., An intermeddling with the affairs of another, either on legal grounds or without authority.
intromitting present participle & vb. noun of Intromit
intromittent adjective Throwing, or allowing to pass, into or within., Used in copulation; — said of the external reproductive organs of the males of many animals, and sometimes of those of the females.
introvenient adjective Coming in together; entering; commingling.
introversion noun The act of introverting, or the state of being introverted; the act of turning the mind inward.
introverting present participle & vb. noun of Introvert
intrusionist noun One who intrudes; especially, one who favors the appointment of a clergyman to a parish, by a patron, against the wishes of the parishioners.
intuitionism noun Same as Intuitionalism.
intuitionist noun Same as Intuitionalist.
intumescence noun The act or process of swelling or enlarging; also, the state of being swollen; expansion; tumidity; especially, the swelling up of bodies under the action of heat., Anything swollen or enlarged, as a tumor.
inturbidated imp. & past participle of Inturbidate
inunctuosity noun The want of unctuosity; freedom from greasiness or oiliness; as, the inunctuosity of porcelain clay.
invagination noun The condition of an invaginated organ or part., One of the methods by which the various germinal layers of the ovum are differentiated.
invalescence noun Strength; health.
invalidating present participle & vb. noun of Invalidate
invalidation noun The act of inavlidating, or the state of being invalidated.
inveiglement noun The act of inveigling, or the state of being inveigled; that which inveigles; enticement; seduction.
inventorying present participle & vb. noun of Inventory
invertebrata noun pl. A comprehensive division of the animal kingdom, including all except the Vertebrata.
invertebrate adjective Destitute of a backbone; having no vertebrae; of or pertaining to the Invertebrata., One of the Invertebrata.
investigable adjective Capable or susceptible of being investigated; admitting research., Unsearchable; inscrutable.
investigated imp. & past participle of Investigate
investigator noun One who searches diligently into a subject.
inveterately adverb In an inveterate manner or degree.
inveteration noun The act of making inveterate.
invigorating present participle & vb. noun of Invigorate
invigoration noun The act of invigorating, or the state of being invigorated.
inviscerated imp. & past participle of Inviscerate
invisibility noun The state or quality of being invisible; also, that which is invisible.
invitatories plural of Invitatory
involucellum noun See Involucel.
involucrated adjective Having an involucre; involucred.
involvedness noun The state of being involved.
invulnerable adjective Incapable of being wounded, or of receiving injury., Unanswerable; irrefutable; that can not be refuted or convinced; as, an invulnerable argument.