7 letter word starting with in

Words	Parts of Speech	Meaning/Definition/Similar Words
inanity	noun	Inanition; void space; vacuity; emptiness., Want of seriousness; aimlessness; frivolity., An inane, useless thing or pursuit; a vanity; a silly object; — chiefly in pl.; as, the inanities of the world.
inaugur	verb t.	To inaugurate.
inbarge	verb t. & i.	To embark; to go or put into a barge.
inbeing	noun	Inherence; inherent existence.
inblown	adjective	Blown in or into.
inboard	adjective & adverb	Inside the line of a vessel’s bulwarks or hull; the opposite of outboard; as, an inboard cargo; haul the boom inboard., From without inward; toward the inside; as, the inboard stroke of a steam engine piston, the inward or return stroke.
inbreak	noun	Alt. of Inbreaking
inbreed	verb t.	To produce or generate within., To breed in and in. See under Breed, v. i.
inburnt	adjective	Burnt in; ineffaceable.
inburst	noun	A bursting in or into.
incaged	imp. & past participle	of Incage
incased	imp. & past participle	of Incase
incaved	adjective	Inclosed in a cave.
incense	verb t.	To set on fire; to inflame; to kindle; to burn., To inflame with anger; to endkindle; to fire; to incite; to provoke; to heat; to madden., To offer incense to. See Incense., To perfume with, or as with, incense., The perfume or odors exhaled from spices and gums when burned in celebrating religious rites or as an offering to some deity., The materials used for the purpose of producing a perfume when burned, as fragrant gums, spices, frankincense, etc., Also used figuratively.
inching	present participle & vb. noun	of Inch
inchant	verb t.	See Enchant.
inchase	verb t.	See Enchase.
inchest	verb t.	To put into a chest.
inchpin	noun	The sweetbread of a deer.
incised	imp. & past participle	of Incise, Cut in; carved; engraved., Having deep and sharp notches, as a leaf or a petal.
incisor	noun	One of the teeth in front of the canines in either jaw; an incisive tooth. See Tooth., Adapted for cutting; of or pertaining to the incisors; incisive; as, the incisor nerve; an incisor foramen; an incisor tooth.
incited	imp. & past participle	of Incite
inciter	noun	One who, or that which, incites.
incivil	adjective	Uncivil; rude.
inclasp	verb t.	To clasp within; to hold fast to; to embrace or encircle.
inclave	adjective	Resembling a series of dovetails; — said of a line of division, such as the border of an ordinary.
incline	verb i.	To deviate from a line, direction, or course, toward an object; to lean; to tend; as, converging lines incline toward each other; a road inclines to the north or south., Fig.: To lean or tend, in an intellectual or moral sense; to favor an opinion, a course of conduct, or a person; to have a propensity or inclination; to be disposed., To bow; to incline the head., To cause to deviate from a line, position, or direction; to give a leaning, bend, or slope to; as, incline the column or post to the east; incline your head to the right., To impart a tendency or propensity to, as to the will or affections; to turn; to dispose; to influence., To bend; to cause to stoop or bow; as, to incline the head or the body in acts of reverence or civility., An inclined plane; an ascent o/ descent; a grade or gradient; a slope.
inclose	verb t.	To surround; to shut in; to confine on all sides; to include; to shut up; to encompass; as, to inclose a fort or an army with troops; to inclose a town with walls., To put within a case, envelope, or the like; to fold (a thing) within another or into the same parcel; as, to inclose a letter or a bank note., To separate from common grounds by a fence; as, to inclose lands., To put into harness; to harness.
incloud	verb t.	To envelop as in clouds; to darken; to obscure.
include	verb t.	To confine within; to hold; to contain; to shut up; to inclose; as, the shell of a nut includes the kernel; a pearl is included in a shell., To comprehend or comprise, as a genus the species, the whole a part, an argument or reason the inference; to contain; to embrace; as, this volume of Shakespeare includes his sonnets; he was included in the invitation to the family; to and including page twenty-five., To conclude; to end; to terminate.
inclusa	noun pl.	A tribe of bivalve mollusks, characterized by the closed state of the mantle which envelops the body. The ship borer (Teredo navalis) is an example.
incoach	verb t.	To put a coach.
incoact	adjective	Alt. of Incoacted
incomer	noun	One who comes in., One who succeeds another, as a tenant of land, houses, etc.
increst	verb t.	To adorn with a crest.
incrust	verb t.	To cover or line with a crust, or hard coat; to form a crust on the surface of; as, iron incrusted with rust; a vessel incrusted with salt; a sweetmeat incrusted with sugar., To inlay into, as a piece of carving or other ornamental object.
incubus	noun	A demon; a fiend; a lascivious spirit, supposed to have sexual intercourse with women by night., The nightmare. See Nightmare., Any oppressive encumbrance or burden; anything that prevents the free use of the faculties.
incurve	verb t.	To bend; to curve; to make crooked.
indazol	noun	A nitrogenous compound, C7H6N2, analogous to indol, and produced from a diazo derivative or cinnamic acid.
indexes	plural	of Index
indices	plural	of Index, of Index, See Index.
indexed	imp. & past participle	of Index
indexer	noun	One who makes an index.
indical	adjective	Indexical.
indican	noun	A glucoside obtained from woad (indigo plant) and other plants, as a yellow or light brown sirup. It has a nauseous bitter taste, a decomposes or drying. By the action of acids, ferments, etc., it breaks down into sugar and indigo. It is the source of natural indigo., An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin.
indicia	noun pl.	Discriminating marks; signs; tokens; indications; appearances.
inditch	verb t.	To bury in, or cast into, a ditch.
indited	imp. & past participle	of Indite
inditer	noun	One who indites.
indogen	noun	A complex, nitrogenous radical, C8H5NO, regarded as the essential nucleus of indigo.
indoles	noun	Natural disposition; natural quality or abilities.
indolin	noun	A dark resinous substance, polymeric with indol, and obtained by the reduction of indigo white.
indoors	adverb	Within the house; — usually separated, in doors.
indorse	verb t.	To cover the back of; to load or burden., To write upon the back or outside of a paper or letter, as a direction, heading, memorandum, or address., To write one’s name, alone or with other words, upon the back of (a paper), for the purpose of transferring it, or to secure the payment of a /ote, draft, or the like; to guarantee the payment, fulfillment, performance, or validity of, or to certify something upon the back of (a check, draft, writ, warrant of arrest, etc.)., To give one’s name or support to; to sanction; to aid by approval; to approve; as, to indorse an opinion.
indoxyl	noun	A nitrogenous substance, C8H7NO, isomeric with oxindol, obtained as an oily liquid.
indrawn	adjective	Drawn in.
induced	imp. & past participle	of Induce
inducer	noun	One who, or that which, induces or incites.
induing	present participle & vb. noun	of Indue
indulge	verb t.	To be complacent toward; to give way to; not to oppose or restrain, to give free course to; to give one’s self up to; as, to indulge sloth, pride, selfishness, or inclinations;, to yield to the desire of; to gratify by compliance; to humor; to withhold restraint from; as, to indulge children in their caprices or willfulness; to indulge one’s self with a rest or in pleasure., To grant as by favor; to bestow in concession, or in compliance with a wish or request., To indulge one’s self; to gratify one’s tastes or desires; esp., to give one’s self up (to); to practice a forbidden or questionable act without restraint; — followed by in, but formerly, also, by to.
indulto	noun	A privilege or exemption; an indulgence; a dispensation granted by the pope., A duty levied on all importations.
indusia	plural	of Indusium
indwelt	imp. & past participle	of Indwell
indwell	verb t. & i.	To dwell in; to abide within; to remain in possession.
inearth	verb t.	To inter.
ineptly	adverb	Unfitly; unsuitably; awkwardly.
inequal	adjective	Unequal; uneven; various.
inermis	adjective	Unarmed; destitute of prickles or thorns, as a leaf.
inertia	noun	That property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction, unless acted on by some external force; — sometimes called vis inertiae., Inertness; indisposition to motion, exertion, or action; want of energy; sluggishness., Want of activity; sluggishness; — said especially of the uterus, when, in labor, its contractions have nearly or wholly ceased.
inertly	adverb	Without activity; sluggishly.
in esse		In being; actually existing; — distinguished from in posse, or in potentia, which denote that a thing is not, but may be.
inexact	adjective	Not exact; not precisely correct or true; inaccurate.
inexist	verb i.	To exist within; to dwell within.
infancy	noun	The state or period of being an infant; the first part of life; early childhood., The first age of anything; the beginning or early period of existence; as, the infancy of an art., The state or condition of one under age, or under the age of twenty-one years; nonage; minority.
infanta	noun	A title borne by every one of the daughters of the kings of Spain and Portugal, except the eldest.
infante	noun	A title given to every one of sons of the kings of Spain and Portugal, except the eldest or heir apparent.
infarce	verb t.	To stuff; to swell.
infaust	adjective	Not favorable; unlucky; unpropitious; sinister.
infeoff	verb t.	See Enfeoff.
infidel	adjective	Not holding the faith; — applied esp. to one who does not believe in the inspiration of the Scriptures, and the supernatural origin of Christianity., One who does not believe in the prevailing religious faith; especially, one who does not believe in the divine origin and authority of Christianity; a Mohammedan; a heathen; a freethinker.
infield	verb t.	To inclose, as a field., Arable and manured land kept continually under crop; — distinguished from outfield., The diamond; — opposed to outfield. See Diamond, n., 5.
infixed	imp. & past participle	of Infix
inflame	verb t.	To set on fire; to kindle; to cause to burn, flame, or glow., Fig.: To kindle or intensify, as passion or appetite; to excite to an excessive or unnatural action or heat; as, to inflame desire., To provoke to anger or rage; to exasperate; to irritate; to incense; to enrage., To put in a state of inflammation; to produce morbid heat, congestion, or swelling, of; as, to inflame the eyes by overwork., To exaggerate; to enlarge upon., To grow morbidly hot, congested, or painful; to become angry or incensed.
inflate	p. adjective	Blown in; inflated., To swell or distend with air or gas; to dilate; to expand; to enlarge; as, to inflate a bladder; to inflate the lungs., Fig.: To swell; to puff up; to elate; as, to inflate one with pride or vanity., To cause to become unduly expanded or increased; as, to inflate the currency., To expand; to fill; to distend.
inflect	verb t.	To turn from a direct line or course; to bend; to incline, to deflect; to curve; to bow., To vary, as a noun or a verb in its terminations; to decline, as a noun or adjective, or to conjugate, as a verb., To modulate, as the voice.
inflesh	verb t.	To incarnate.
inflict	verb t.	To give, cause, or produce by striking, or as if by striking; to apply forcibly; to lay or impose; to send; to cause to bear, feel, or suffer; as, to inflict blows; to inflict a wound with a dagger; to inflict severe pain by ingratitude; to inflict punishment on an offender; to inflict the penalty of death on a criminal.
infound	verb t.	To pour in; to infuse.
infract	adjective	Not broken or fractured; unharmed; whole., To break; to infringe.
infumed	adjective	Dried in smoke; smoked.
infused	imp. & past participle	of Infuse
infuser	noun	One who, or that which, infuses.
ingenie	noun	See Ingeny.
ingenit	adjective	Innate; inborn; inbred; inherent; native; ingenerate.
ingesta	noun pl.	That which is introduced into the body by the stomach or alimentary canal; — opposed to egesta.
inglobe	verb t.	To infix, as in a globe; to fix or secure firmly.
ingorge	verb t. & i.	See Engorge.
ingrace	verb t.	To ingratiate.
ingraff	verb t.	See Ingraft.
ingraft	verb t.	To insert, as a scion of one tree, shrub, or plant in another for propagation; as, to ingraft a peach scion on a plum tree; figuratively, to insert or introduce in such a way as to make a part of something., To subject to the process of grafting; to furnish with grafts or scions; to graft; as, to ingraft a tree.
ingrain	adjective	Dyed with grain, or kermes., Dyed before manufacture, — said of the material of a textile fabric; hence, in general, thoroughly inwrought; forming an essential part of the substance., An ingrain fabric, as a carpet., To dye with or in grain or kermes., To dye in the grain, or before manufacture., To work into the natural texture or into the mental or moral constitution of; to stain; to saturate; to imbue; to infix deeply.
ingrate	adjective	Ingrateful., An ungrateful person.
ingrave	verb t.	To engrave., To bury.
ingreat	verb t.	To make great; to enlarge; to magnify.
ingress	noun	The act of entering; entrance; as, the ingress of air into the lungs., Power or liberty of entrance or access; means of entering; as, all ingress was prohibited., The entrance of the moon into the shadow of the earth in eclipses, the sun’s entrance into a sign, etc., To go in; to enter.
ingross	verb t.	See Engross.
inhabit	verb t.	To live or dwell in; to occupy, as a place of settled residence; as, wild beasts inhabit the forest; men inhabit cities and houses., To have residence in a place; to dwell; to live; to abide.
inhaled	imp. & past participle	of Inhale
inhaler	noun	One who inhales., An apparatus for inhaling any vapor or volatile substance, as ether or chloroform, for medicinal purposes., A contrivance to filter, as air, in order to protect the lungs from inhaling damp or cold air, noxious gases, dust, etc.; also, the respiratory apparatus for divers.
inhance	verb t.	See Enhance.
inhered	imp. & past participle	of Inhere
inherit	verb t.	To take by descent from an ancestor; to take by inheritance; to take as heir on the death of an ancestor or other person to whose estate one succeeds; to receive as a right or title descendible by law from an ancestor at his decease; as, the heir inherits the land or real estate of his father; the eldest son of a nobleman inherits his father’s title; the eldest son of a king inherits the crown., To receive or take by birth; to have by nature; to derive or acquire from ancestors, as mental or physical qualities; as, he inherits a strong constitution, a tendency to disease, etc., To come into possession of; to possess; to own; to enjoy as a possession., To put in possession of., To take or hold a possession, property, estate, or rights by inheritance.
inherse	verb t.	See Inhearse.
inhibit	verb t.	To check; to hold back; to restrain; to hinder., To forbid; to prohibit; to interdict.
inhuman	adjective	Destitute of the kindness and tenderness that belong to a human being; cruel; barbarous; savage; unfeeling; as, an inhuman person or people., Characterized by, or attended with, cruelty; as, an inhuman act or punishment.
inhumed	imp. & past participle	of Inhume
initial	adjective	Of or pertaining to the beginning; marking the commencement; incipient; commencing; as, the initial symptoms of a disease., Placed at the beginning; standing at the head, as of a list or series; as, the initial letters of a name., The first letter of a word or a name., To put an initial to; to mark with an initial of initials.
inition	noun	Initiation; beginning.
injelly	verb t.	To place in jelly.
injoint	verb t.	To join; to unite., To disjoint; to separate.
injured	imp. & past participle	of Injure
injurer	noun	One who injures or wrongs.
injurie	plural	of Injuria
injuria	noun	Injury; invasion of another’s rights.
inkfish	noun	A cuttlefish. See Cuttlefish.
inkhorn	noun	A small bottle of horn or other material formerly used for holding ink; an inkstand; a portable case for writing materials., Learned; pedantic; affected.
inkling	noun	A hint; an intimation.
inkneed	adjective	See Knock-kneed.
inlaced	imp. & past participle	of Inlace
inlaied	imp. & past participle	of Inlay
inlayer	noun	One who inlays, or whose occupation it is to inlay.
in loco		In the place; in the proper or natural place.
inmeats	nounpl.	The edible viscera of animals, as the heart, liver, etc.
innerly	adverb	More within.
innerve	verb t.	To give nervous energy or power to; to give increased energy,force,or courage to; to invigorate; to stimulate.
innuent	adjective	Conveying a hint; significant.
innyard	noun	The yard adjoining an inn.
inosite	noun	A white crystalline substance with a sweet taste, found in certain animal tissues and fluids, particularly in the muscles of the heart and lungs, also in some plants, as in unripe pease, beans, potato sprouts, etc. Called also phaseomannite.
inquest	noun	Inquiry; quest; search., Judicial inquiry; official examination, esp. before a jury; as, a coroner’s inquest in case of a sudden death., A body of men assembled under authority of law to inquire into any matterm civil or criminal, particularly any case of violent or sudden death; a jury, particularly a coroner’s jury. The grand jury is sometimes called the grand inquest. See under Grand., The finding of the jury upon such inquiry.
inquiet	verb t.	To disquiet.
inquire	verb i.	To ask a question; to seek for truth or information by putting queries., To seek to learn anything by recourse to the proper means of knoledge; to make examination., To ask about; to seek to know by asking; to make examination or inquiry respecting., To call or name.
inquiry	noun	The act of inquiring; a seeking for information by asking questions; interrogation; a question or questioning., Search for truth, information, or knoledge; examination into facts or principles; research; invextigation; as, physical inquiries.
insanie	noun	Insanity.
insculp	verb t.	To engrave; to carve; to sculpture.
insecta	noun pl.	One of the classes of Arthropoda, including those that have one pair of antennae, three pairs of mouth organs, and breathe air by means of tracheae, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n., In a more restricted sense, the Hexapoda alone. See Hexapoda., In the most general sense, the Hexapoda, Myriapoda, and Arachnoidea, combined.
insense	verb t.	To make to understand; to instruct.
inserve	verb i.	To be of use to an end; to serve.
inshave	noun	A plane for shaving or dressing the concave or inside faces of barrel staves.
inshell	verb t.	To hide in a shell.
inshore	adjective	Being near or moving towards the shore; as, inshore fisheries; inshore currents., Towards the shore; as, the boat was headed inshore.
insight	noun	A sight or view of the interior of anything; a deep inspection or view; introspection; — frequently used with into., Power of acute observation and deduction; penetration; discernment; perception.
insinew	verb t.	To strengthen, as with sinews; to invigorate.
insipid	adjective	Wanting in the qualities which affect the organs of taste; without taste or savor; vapid; tasteless; as, insipid drink or food., Wanting in spirit, life, or animation; uninteresting; weak; vapid; flat; dull; heavy; as, an insipid woman; an insipid composition.
in situ		In its natural position or place; — said of a rock or fossil, when found in the situation in which it was originally formed or deposited.
insnare	verb t.	To catch in a snare; to entrap; to take by artificial means., To take by wiles, stratagem, or deceit; to involve in difficulties or perplexities; to seduce by artifice; to inveigle; to allure; to entangle.
insnarl	verb t.	To make into a snarl or knot; to entangle; to snarl.
insooth	adverb	In sooth; truly.
inspect	verb t.	To look upon; to view closely and critically, esp. in order to ascertain quality or condition, to detect errors, etc., to examine; to scrutinize; to investigate; as, to inspect conduct., To view and examine officially, as troops, arms, goods offered, work done for the public, etc.; to oversee; to superintend., Inspection.
inspire	verb t.	To breathe into; to fill with the breath; to animate., To infuse by breathing, or as if by breathing., To draw in by the operation of breathing; to inhale; — opposed to expire., To infuse into the mind; to communicate to the spirit; to convey, as by a divine or supernatural influence; to disclose preternaturally; to produce in, as by inspiration., To infuse into; to affect, as with a superior or supernatural influence; to fill with what animates, enlivens, or exalts; to communicate inspiration to; as, to inspire a child with sentiments of virtue., To draw in breath; to inhale air into the lungs; — opposed to expire., To breathe; to blow gently.
install	verb t.	To set in a seat; to give a place to; establish (one) in a place., To place in an office, rank, or order; to invest with any charge by the usual ceremonies; to instate; to induct; as, to install an ordained minister as pastor of a church; to install a college president.
instamp	verb t.	See Enstamp.
instant	adjective	Pressing; urgent; importunate; earnest., Closely pressing or impending in respect to time; not deferred; immediate; without delay., Present; current., Instantly., A point in duration; a moment; a portion of time too short to be estimated; also, any particular moment., A day of the present or current month; as, the sixth instant; — an elliptical expression equivalent to the sixth of the month instant, i. e., the current month. See Instant, a., 3.
instate	verb t.	To set, place, or establish, as in a rank, office, or condition; to install; to invest; as, to instate a person in greatness or in favor.
instead	adverb	In the place or room; — usually followed by of., Equivalent; equal to; — usually with of.
insteep	verb t.	To steep or soak; to drench.
instill	verb t.	To drop in; to pour in drop by drop; hence, to impart gradually; to infuse slowly; to cause to be imbibed.
instore	verb t.	To store up; to inclose; to contain.
instyle	verb t.	To style.
insular	adjective	Of or pertaining to an island; of the nature, or possessing the characteristics, of an island; as, an insular climate, fauna, etc., Of or pertaining to the people of an island; narrow; circumscribed; illiberal; contracted; as, insular habits, opinions, or prejudices., An islander.
insulse	adjective	Insipid; dull; stupid.
insured	imp. & past participle	of Insure
insurer	noun	One who, or that which, insures; the person or company that contracts to indemnify losses for a premium; an underwriter.
intagli	plural	of Intaglio
integer	noun	A complete entity; a whole number, in contradistinction to a fraction or a mixed number.
intense	adjective	Strained; tightly drawn; kept on the stretch; strict; very close or earnest; as, intense study or application; intense thought., Extreme in degree; excessive; immoderate; as: (a) Ardent; fervent; as, intense heat. (b) Keen; biting; as, intense cold. (c) Vehement; earnest; exceedingly strong; as, intense passion or hate. (d) Very severe; violent; as, intense pain or anguish. (e) Deep; strong; brilliant; as, intense color or light.
interim	noun	The meantime; time intervening; interval between events, etc., A name given to each of three compromises made by the emperor Charles V. of Germany for the sake of harmonizing the connecting opinions of Protestants and Catholics.
interne	adjective	That which is within; the interior.
intitle	verb t.	See Entitle.
intoned	imp. & past participle	of Intone
intrant	adjective	Entering; penetrating., One who enters; especially, a person entering upon some office or station.
intreat	verb t.	See Entreat.
introit	noun	A going in., A psalm sung or chanted immediately before the collect, epistle, and gospel, and while the priest is entering within the rails of the altar., A part of a psalm or other portion of Scripture read by the priest at Mass immediately after ascending to the altar., An anthem or psalm sung before the Communion service., Any composition of vocal music appropriate to the opening of church services.
intrude	verb i.	To thrust one’s self in; to come or go in without invitation, permission, or welcome; to encroach; to trespass; as, to intrude on families at unseasonable hours; to intrude on the lands of another., To thrust or force (something) in or upon; especially, to force (one’s self) in without leave or welcome; as, to intrude one’s presence into a conference; to intrude one’s opinions upon another., To enter by force; to invade., The cause to enter or force a way, as into the crevices of rocks.
intrunk	verb t.	To inclose as in a trunk; to incase.
intrust	verb t.	To deliver (something) to another in trust; to deliver to (another) something in trust; to commit or surrender (something) to another with a certain confidence regarding his care, use, or disposal of it; as, to intrust a servant with one’s money or intrust money or goods to a servant.
intwine	verb t.	To twine or twist into, or together; to wreathe; as, a wreath of flowers intwined., To be or to become intwined.
intwist	verb t.	To twist into or together; to interweave.
inuendo	noun	See Innuendo.
inuloid	noun	A substance resembling inulin, found in the unripe bulbs of the dahila.
inuring	present participle & vb. noun	of Inure
inurned	imp. & past participle	of Inurn
inutile	adjective	Useless; unprofitable.
invaded	imp. & past participle	of Invade
invader	noun	One who invades; an assailant; an encroacher; an intruder.
invalid	adjective	Of no force, weight, or cogency; not valid; weak., Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement., A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health., Not well; feeble; infirm; sickly; as, he had an invalid daughter., To make or render invalid or infirm., To classify or enroll as an invalid.
inveigh	verb i.	To declaim or rail (against some person or thing); to utter censorious and bitter language; to attack with harsh criticism or reproach, either spoken or written; to use invectives; — with against; as, to inveigh against character, conduct, manners, customs, morals, a law, an abuse.
invenom	verb t.	See Envenom.
inverse	adjective	Opposite in order, relation, or effect; reversed; inverted; reciprocal; — opposed to direct., Inverted; having a position or mode of attachment the reverse of that which is usual., Opposite in nature and effect; — said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity; as, multiplication is the inverse operation to division. The symbol of an inverse operation is the symbol of the direct operation with -1 as an index. Thus sin-1 x means the arc whose sine is x., That which is inverse.
invigor	verb t.	To invigorate.
invious	adjective	Untrodden.
invited	imp. & past participle	of Invite
inviter	noun	One who, or that which, invites.
invoice	noun	A written account of the particulars of merchandise shipped or sent to a purchaser, consignee, factor, etc., with the value or prices and charges annexed., The lot or set of goods as shipped or received; as, the merchant receives a large invoice of goods., To make a written list or account of, as goods to be sent to a consignee; to insert in a priced list; to write or enter in an invoice.
invoked	imp. & past participle	of Invoke
involve	verb t.	To roll or fold up; to wind round; to entwine., To envelop completely; to surround; to cover; to hide; to involve in darkness or obscurity., To complicate or make intricate, as in grammatical structure., To connect with something as a natural or logical consequence or effect; to include necessarily; to imply., To take in; to gather in; to mingle confusedly; to blend or merge., To envelop, infold, entangle, or embarrass; as, to involve a person in debt or misery., To engage thoroughly; to occupy, employ, or absorb., To raise to any assigned power; to multiply, as a quantity, into itself a given number of times; as, a quantity involved to the third or fourth power.
inwards	adjective	Toward the inside; toward the center or interior; as, to bend a thing inward., Into, or toward, the mind or thoughts; inwardly; as, to turn the attention inward., See Inward.
inweave	verb t.	To weave in or together; to intermix or intertwine by weaving; to interlace.
inwheel	verb t.	To encircle.