10 letter word starting with o

Words Parts of Speech Meaning/Definition/Similar Words
oar-footed adjective Having feet adapted for swimming.
obduration noun A hardening of the heart; hardness of heart.
obdureness noun Alt. of Obduredness
obediently adverb In an obedient manner; with obedience.
obelisking present participle & vb. noun of Obelisk
obequitate verb i. To ride about.
oberration noun A wandering about.
obfuscated imp. & past participle of Obfuscate
obituarily adverb In the manner of an obituary.
obituaries plural of Obituary
objectable adjective Such as can be presented in opposition; that may be put forward as an objection.
objectless adjective Having no object; purposeless.
objuration noun A binding by oath.
objurgated imp. & past participle of Objurgate
oblateness noun The quality or state of being oblate.
oblationer noun One who makes an offering as an act worship or reverence.
obligating present participle & vb. noun of Obligate
obligation noun The act of obligating., That which obligates or constrains; the binding power of a promise, contract, oath, or vow, or of law; that which constitutes legal or moral duty., Any act by which a person becomes bound to do something to or for anouther, or to forbear something; external duties imposed by law, promise, or contract, by the relations of society, or by courtesy, kindness, etc., The state of being obligated or bound; the state of being indebted for an act of favor or kindness; as, to place others under obligations to one., A bond with a condition annexed, and a penalty for nonfulfillment. In a larger sense, it is an acknowledgment of a duty to pay a certain sum or do a certain things.
obligatory adjective Binding in law or conscience; imposing duty or obligation; requiring performance or forbearance of some act; — often followed by on or upon; as, obedience is obligatory on a soldier.
obligement noun Obligation.
obliterate verb t. To erase or blot out; to efface; to render undecipherable, as a writing., To wear out; to remove or destroy utterly by any means; to render imperceptible; as. to obliterate ideas; to obliterate the monuments of antiquity., Scarcely distinct; — applied to the markings of insects.
oblongatal adjective Of or pertaining to the medulla oblongata; medullar.
oblongness noun State or quality of being oblong.
obloquious adjective Containing obloquy; reproachful
obnubilate verb t. To cloud; to obscure.
obsecrated imp. & past participle of Obsecrate
obsequious adjective Promptly obedient, or submissive, to the will of another; compliant; yielding to the desires of another; devoted., Servilely or meanly attentive; compliant to excess; cringing; fawning; as, obsequious flatterer, parasite., Of or pertaining to obsequies; funereal.
observable adjective Worthy or capable of being observed; discernible; noticeable; remarkable.
observance noun The act or practice of observing or noticing with attention; a heeding or keeping with care; performance; — usually with a sense of strictness and fidelity; as, the observance of the Sabbath is general; the strict observance of duties., An act, ceremony, or rite, as of worship or respect; especially, a customary act or service of attention; a form; a practice; a rite; a custom., Servile attention; sycophancy.
observancy noun Observance.
observanda plural of Observandum
observator noun One who observes or takes notice., One who makes a remark.
obsidional adjective Of or pertaining to a siege.
obsoletely adverb In an obsolete manner.
obsoletism noun A disused word or phrase; an archaism.
obstetrics noun The science of midwifery; the art of assisting women in parturition, or in the trouble incident to childbirth.
obstetricy noun Obstetrics.
obstructed imp. & past participle of Obstruct
obstructer noun One who obstructs or hinders.
obtainable adjective Capable of being obtained.
obtainment noun The act or process of obtaining; attainment.
obtruncate verb t. To deprive of a limb; to lop.
obturation noun The act of stopping up, or closing, an opening.
obtuseness noun State or quality of being obtuse.
occasioned imp. & past participle of Occasion
occasional adjective Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts., Produced by accident; as, the occasional origin of a thing.
occasioner noun One who, or that which, occasions, causes, or produces.
occecation noun The act of making blind, or the state of being blind.
occidental adjective Of, pertaining to, or situated in, the occident, or west; western; — opposed to oriental; as, occidental climates, or customs; an occidental planet., Possessing inferior hardness, brilliancy, or beauty; — used of inferior precious stones and gems, because those found in the Orient are generally superior.
occrustate verb t. To incrust; to harden.
occultness noun State or quality of being occult.
occupation noun The act or process of occupying or taking possession; actual possession and control; the state of being occupied; a holding or keeping; tenure; use; as, the occupation of lands by a tenant., That which occupies or engages the time and attention; the principal business of one’s life; vocation; employment; calling; trade.
occurrence noun A coming or happening; as, the occurence of a railway collision., Any incident or event; esp., one which happens without being designed or expected; as, an unusual occurrence, or the ordinary occurrences of life.
oceanology noun That branch of science which relates to the ocean.
ochlocracy noun A form of government by the multitude; a mobocracy.
ochraceous adjective Ocherous.
octaemeron noun A fast of eight days before a great festival.
octagynous adjective Having eight pistils or styles; octogynous.
octahedral adjective Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage.
octahedron noun A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
octamerous adjective Having the parts in eights; as, an octamerous flower; octamerous mesenteries in polyps.
octandrian adjective Alt. of Octandrous
octandrous adjective Of or pertaining to the Octandria; having eight distinct stamens.
octangular adjective Having eight angles; eight-angled.
octavalent adjective Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; — said of certain atoms or radicals.
octocerata nounpl. A suborder of Cephalopoda including Octopus, Argonauta, and allied genera, having eight arms around the head; — called also Octopoda.
octodecimo adjective Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc., A book composed of sheets each of which is folded into eighteen leaves; hence; indicating more or less definitely a size of book, whose sheets are so folded; — usually written 18mo or 18¡, and called eighteenmo.
octogenary adjective Of eighty years of age.
octogynian adjective Alt. of Octogynous
octogynous adjective Having eight pistils; octagynous.
oculinacea nounpl. A suborder of corals including many reef-building species, having round, starlike calicles.
oculomotor adjective Of or pertaining to the movement of the eye; — applied especially to the common motor nerves (or third pair of cranial nerves) which supply many of the muscles of the orbit., The oculomotor nerve.
oculonasal adjective Of or pertaining to the region of the eye and the nose; as, the oculonasal, or nasal, nerve, one of the branches of the ophthalmic.
odd fellow A member of a secret order, or fraternity, styled the Independent Order of Odd Fellows, established for mutual aid and social enjoyment.
odometrous adjective Serving to measure distance on a road.
odontalgia noun Toothache.
odontalgic adjective Of or pertaining to odontalgia., A remedy for the toothache.
odontiasis noun Cutting of the teeth; dentition.
odontocete nounpl. A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales.
odontogeny noun Generetion, or mode of development, of the teeth.
odontolcae noun pl. An extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis.
odontolite noun A fossil tooth colored a bright blue by phosphate of iron. It is used as an imitation of turquoise, and hence called bone turquoise.
odontology noun The science which treats of the teeth, their structure and development.
oeconomics noun See Economics.
oedematous adjective Pertaining to, or of the nature of, edema; affected with edema.
oenanthate noun A salt of the supposed /nanthic acid.
oenanthone noun The ketone of oenanthic acid.
oesophagus adjective Alt. of Oesophageal
offendress noun A woman who offends.
offenseful adjective Causing offense; displeasing; wrong; as, an offenseful act.
offensible adjective That may give offense.
officering present participle & vb. noun of Officer
officially adverb By the proper officer; by virtue of the proper authority; in pursuance of the special powers vested in an officer or office; as, accounts or reports officially vertified or rendered; letters officially communicated; persons officially notified.
officialty noun The charge, office, court, or jurisdiction of an official.
officiated imp. & past participle of Officiate
officiator noun One who officiates.
offsetting present participle & vb. noun of Offset
oftentimes adverb Frequently; often; many times.
ogdoastich noun A poem of eight lines.
ogganition noun Snarling; grumbling.
oleaginous adjective Having the nature or qualities of oil; oily; unctuous.
oleandrine noun One of several alkaloids found in the leaves of the oleander.
oleiferous adjective Producing oil; as, oleiferous seeds.
oleraceous adjective Pertaining to pot herbs; of the nature or having the qualities of herbs for cookery; esculent.
oligarchal adjective Oligarchic.
oligarchic adjective Alt. of Oligarchical
oligochete adjective Of or pertaining to the Oligochaeta.
oligoclase noun A triclinic soda-lime feldspar. See Feldspar.
oligomyold adjective Having few or imperfect syringeal muscles; — said of some passerine birds (Oligomyodi).
olivaceous adjective Resembling the olive; of the color of the olive; olive-green.
olympionic noun An ode in honor of a victor in the Olympic games.
ombrometer noun An instrument for measuring the rain that falls; a rain gauge.
omiletical adjective Homiletical.
ommatidium noun One of the single eyes forming the compound eyes of crustaceans, insects, and other invertebrates.
omniferous adjective All-bearing; producing all kinds.
omnigenous adjective Consisting of all kinds.
omniparity noun Equality in every part; general equality.
omniparous adjective Producing all things; omniparient.
omnipotent adjective Able in every respect and for every work; unlimited in ability; all-powerful; almighty; as, the Being that can create worlds must be omnipotent., Having unlimited power of a particular kind; as, omnipotent love.
omniscient adjective Having universal knowledge; knowing all things; infinitely knowing or wise; as, the omniscient God.
omniscious adjective All-knowing.
omnivagant adjective Wandering anywhere and everywhere.
omnivorous adjective All-devouring; eating everything indiscriminately; as, omnivorous vanity; esp. (Zool.), eating both animal and vegetable food.
omostegite noun The part of the carapace of a crustacean situated behind the cervical groove.
omosternal adjective Of or pertaining to the omosternum.
omosternum noun The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage., In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle.
on-looking adjective Looking on or forward.
onomomancy noun See Onomancy.
ontologist noun One who is versed in or treats of ontology.
onwardness noun Progress; advancement.
oophoritis noun Ovaritis.
opalescing present participle & vb. noun of Opalesce
opalescent adjective Reflecting a milky or pearly light from the interior; having an opaline play of colors.
opaqueness noun The state or quality of being impervious to light; opacity.
operameter noun An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter.
operatical adjective Of or pertaining to the opera or to operas; characteristic of, or resembling, the opera.
operculate adjective Alt. of Operculated
operculums plural of Operculum
ophicleide noun A large brass wind instrument, formerly used in the orchestra and in military bands, having a loud tone, deep pitch, and a compass of three octaves; — now generally supplanted by bass and contrabass tubas.
ophiolatry noun The worship of serpents.
ophiologic adjective Alt. of Ophiological
ophiomancy noun Divination by serpents, as by their manner of eating, or by their coils.
ophiurioid adjective Of or pertaining to the Ophiurioidea., One of the Ophiurioidea.
ophthalmia noun An inflammation of the membranes or coats of the eye or of the eyeball.
ophthalmic adjective Of, pertaining to, or in the region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead.
opiniaster adjective Alt. of Opiniatre
opiniative adjective Opinionative.
opinionate adjective Opinionated.
opinionist noun One fond of his own notions, or unduly attached to his own opinions.
opisometer noun An instrument with a revolving wheel for measuring a curved line, as on a map.
opisthotic noun The inferior and posterior of the three elements forming the periotic bone.
oppilating present participle & vb. noun of Oppilate
oppilation noun The act of filling or crowding together; a stopping by redundant matter; obstruction, particularly in the lower intestines.
oppilative adjective Obstructive.
opposeless adjective Not to be effectually opposed; irresistible.
oppositely adverb In a situation to face each other; in an opposite manner or direction; adversely.
opposition noun The act of opposing; an attempt to check, restrain, or defeat; resistance., The state of being placed over against; situation so as to front something else., Repugnance; contrariety of sentiment, interest, or purpose; antipathy., That which opposes; an obstacle; specifically, the aggregate of persons or things opposing; hence, in politics and parliamentary practice, the party opposed to the party in power., The situation of a heavenly body with respect to another when in the part of the heavens directly opposite to it; especially, the position of a planet or satellite when its longitude differs from that of the sun 180¡; — signified by the symbol /; as, / / /, opposition of Jupiter to the sun., The relation between two propositions when, having the same subject and predicate, they differ in quantity, or in quality, or in both; or between two propositions which have the same matter but a different form.
oppositive adjective Capable of being put in opposition.
oppressing present participle & vb. noun of Oppress
oppression noun The act of oppressing, or state of being oppressed., That which oppresses; a hardship or injustice; cruelty; severity; tyranny., A sense of heaviness or obstruction in the body or mind; depression; dullness; lassitude; as, an oppression of spirits; an oppression of the lungs., Ravishment; rape.
oppressive adjective Unreasonably burdensome; unjustly severe, rigorous, or harsh; as, oppressive taxes; oppressive exactions of service; an oppressive game law., Using oppression; tyrannical; as, oppressive authority or commands., Heavy; overpowering; hard to be borne; as, oppressive grief or woe.
oppressure noun Oppression.
opprobrium noun Disgrace; infamy; reproach mingled with contempt; abusive language.
oppugnancy noun The act of oppugning; opposition; resistance.
opsiometer noun An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight.
opsonation noun A catering; a buying of provisions.
optatively adverb In an optative manner; with the expression of desire.
optimistic adjective Of or pertaining to optimism; tending, or conforming, to the opinion that all events are ordered for the best., Hopeful; sanguine; as, an optimistic view.
optionally adverb In an optional manner.
optocoelia noun The cavity of one of the optic lobes of the brain in many animals.
optography noun The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red background. See Visual purple, under Visual.
orangeroot noun An American ranunculaceous plant (Hidrastis Canadensis), having a yellow tuberous root; — also called yellowroot, golden seal, etc.
oratorical adjective Of or pertaining to an orator or to oratory; characterized by oratory; rhetorical; becoming to an orator; as, an oratorical triumph; an oratorical essay.
oratorious adjective Oratorical.
orbiculate noun That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular., Alt. of Orbiculated
orcharding noun The cultivation of orchards., Orchards, in general.
orchardist noun One who cultivates an orchard.
orchestian noun Any species of amphipod crustacean of the genus Orchestia, or family Orchestidae. See Beach flea, under Beach.
orchestral adjective Of or pertaining to an orchestra; suitable for, or performed in or by, an orchestra.
orchestric adjective Orchestral.
orchideous adjective Same as Orchidaceous.
ordainable adjective Capable of being ordained; worthy to be ordained or appointed.
ordainment noun Ordination.
ordinalism noun The state or quality of being ordinal.
ordinarily adverb According to established rules or settled method; as a rule; commonly; usually; in most cases; as, a winter more than ordinarily severe.
ordinaries plural of Ordinary
ordinately adverb In an ordinate manner; orderly.
ordination noun The act of ordaining, appointing, or setting apart; the state of being ordained, appointed, etc., The act of setting apart to an office in the Christian ministry; the conferring of holy orders., Disposition; arrangement; order.
ordinative adjective Tending to ordain; directing; giving order.
ordonnance noun The disposition of the parts of any composition with regard to one another and the whole.
ordovician adjective Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian., The Ordovician formation.
oreography noun The science of mountains; orography.
organicism noun The doctrine of the localization of disease, or which refers it always to a material lesion of an organ.
organizing present participle & vb. noun of Organize
organogeny noun Organogenesis.
organology noun The science of organs or of anything considered as an organic structure., That branch of biology which treats, in particular, of the organs of animals and plants. See Morphology.
organonymy noun The designation or nomenclature of organs.
orientated imp. & past participle of Orientate
orientness noun The quality or state of being orient or bright; splendor.
originable adjective Capable of being originated.
originally adverb In the original time, or in an original manner; primarily; from the beginning or origin; not by derivation, or imitation., At first; at the origin; at the time of formation or costruction; as, a book originally written by another hand.
originated imp. & past participle of Originate
originator noun One who originates.
orismology noun That departament of natural history which treats of technical terms.
ornamented imp. & past participle of Ornament
ornamental adjective Serving to ornament; characterized by ornament; beautifying; embellishing.
ornamenter noun One who ornaments; a decorator.
ornateness noun The quality of being ornate.
orographic adjective Alt. of Orographical
orological adjective Of or pertaining to orology.
orotundity noun The orotund mode of intonation.
orphanhood noun The state or condition of being an orphan; orphanage.
orsellinic adjective Pertaining to, or designating, an organic acid obtained by a partial decomposition of orsellic acid as a white crystalline substance, and related to protocatechuic acid.
ortalidian noun Any one of numerous small two-winged flies of the family Ortalidae. The larvae of many of these flies live in fruit; those of others produce galls on various plants.
orthoceras noun An extinct genus of Paleozoic Cephalopoda, having a long, straight, conical shell. The interior is divided into numerous chambers by transverse septa.
orthoclase noun Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.
orthodoxal adjective Pertaining to, or evincing, orthodoxy; orthodox.
orthodoxly adverb In an orthodox manner; with soundness of faith.
orthodromy noun The act or art of sailing on a great circle.
orthoepist noun One who is skilled in orthoepy.
orthogonal adjective Right-angled; rectangular; as, an orthogonal intersection of one curve with another.
orthometry noun The art or practice of constructing verses correctly; the laws of correct versification.
orthopedic adjective Alt. of Orthopedical
orthophony noun The art of correct articulation; voice training.
orthopraxy noun The treatment of deformities in the human body by mechanical appliances.
orthoptera noun pl. An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust. under Insect.
orthoscope noun An instrument designed to show the condition of the superficial portions of the eye.
orthostade noun A chiton, or loose, ungirded tunic, falling in straight folds.
orthotomic adjective Cutting at right angles.
orycterope noun Same as Oryctere.
oryctology noun An old name for paleontology., An old name for mineralogy and geology.
oscillancy noun The state of oscillating; a seesaw kind of motion.
oscillaria noun A genus of dark green, or purplish black, filamentous, fresh-water algae, the threads of which have an automatic swaying or crawling motion. Called also Oscillatoria.
oscillated imp. & past participle of Oscillate
oscitantly adverb In an oscitant manner.
oscitation noun The act of yawning or gaping.
osculating present participle & vb. noun of Osculate
osculation noun The act of kissing; a kiss., The contact of one curve with another, when the number of consecutive points of the latter through which the former passes suffices for the complete determination of the former curve.
osculatory adjective Of or pertaining to kissing; kissing., Pertaining to, or having the properties of, an osculatrix; capable of osculation; as, a circle may be osculatory with a curve, at a given point., Same as Pax, 2.
osculatrix noun A curve whose contact with a given curve, at a given point, is of a higher order (or involves the equality of a greater number of successive differential coefficients of the ordinates of the curves taken at that point) than that of any other curve of the same kind.
osmaterium noun One of a pair of scent organs which the larvae of certain butterflies emit from the first body segment, either above or below.
osmidrosis noun The secretion of fetid sweat.
osphradium noun The olfactory organ of some Mollusca. It is connected with the organ of respiration.
ossiferous adjective Containing or yielding bone.
ossivorous adjective Feeding on bones; eating bones; as, ossivorous quadrupeds.
osspringer noun The osprey.
ostensible adjective Capable of being shown; proper or intended to be shown., Shown; exhibited; declared; avowed; professed; apparent; — often used as opposed to real or actual; as, an ostensible reason, motive, or aim.
ostensibly adverb In an ostensible manner; avowedly; professedly; apparently.
ostentator noun One fond of display; a boaster.
osteoblast noun One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.
osteoclast noun A myeloplax., An instrument for performing osteoclasis.
osteocolla noun A kind of glue obtained from bones., A cellular calc tufa, which in some places forms incrustations on the stems of plants, — formerly supposed to have the quality of uniting fractured bones.
osteocomma noun A metamere of the vertebrate skeleton; an osteomere; a vertebra.
osteogenic adjective Osteogenetic.
osteologer noun One versed in osteology; an osteologist.
osteologic adjective Alt. of Osteological
osteomanty noun Divination by means of bones.
osteophone noun An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.
osteoplast noun An osteoblast.
ostraciont noun A fish of the genus Ostracion and allied genera.
ostracized imp. & past participle of Ostracize
oswego tea An American aromatic herb (Monarda didyma), with showy, bright red, labiate flowers.
otacoustic adjective Assisting the sense of hearing; as, an otacoustic instrument., Alt. of Otacousticon
otheoscope noun An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radoimeter.
othergates adverb In another manner.
otherguise adjective & adverb Alt. of Otherguess
otherguess adjective & adverb Of another kind or sort; in another way.
otherwhere adverb In or to some other place, or places; elsewhere.
otherwhile adverb Alt. of Otherwhiles
otocranial adjective Of or pertaining to the otocrane.
otological adjective Of or pertaining tootology.
otoscopeic adjective Of or pertaining to the otoscope or to otoscopy.
outagamies noun pl. See lst Fox, 7.
outbalance verb t. To outweight; to exceed in weight or effect.
outbidding present participle & vb. noun of Outbid
outbreathe verb t. To breathe forth., To cause to be out of breath; to exhaust., To issue, as breath; to be breathed out; to exhale.
outbuilded of Outbuild
outcasting noun That which is cast out.
outcompass verb t. To exceed the compass or limits of.
outdweller noun One who holds land in a parish, but lives elsewhere.
outflatter verb t. To exceed in flattering.
outgeneral verb t. To exceed in generalship; to gain advantage over by superior military skill or executive ability; to outmaneuver.
outgrowing present participle & vb. noun of Outgrow
outlandish adjective Foreign; not native., Hence: Not according with usage; strange; rude; barbarous; uncouth; clownish; as, an outlandish dress, behavior, or speech.
outlawries plural of Outlawry
outmeasure verb t. To exceed in measure or extent; to measure more than.
outpassion verb t. To exceed in passion.
outrageous noun Of the nature of an outrage; exceeding the limits of right, reason, or decency; involving or doing an outrage; furious; violent; atrocious.
outromance verb t. To exceed in romantic character.
outrunning present participle & vb. noun of Outrun
outsettler noun One who settles at a distance, or away, from others.
outsparkle verb t. To exceed in sparkling.
outstretch verb t. To stretch out.
outsweeten verb t. To surpass in sweetness.
outvillain verb t. To exceed in villainy.
ouvarovite noun Chrome garnet.
ovariotomy noun The operation of removing one or both of the ovaries; oophorectomy.
overabound verb i. To be exceedingly plenty or superabundant.
overaction noun Per/ormance to excess; exaggerated or excessive action.
overaffect verb t. To affect or care for unduly.
overbarren adjective Excessively barren.
overbattle adjective Excessively fertile; bearing rank or noxious growths.
overburden verb t. To load with too great weight or too much care, etc., The waste which overlies good stone in a quarry.
overcanopy verb t. To cover as with a canopy.
overchange noun Too much or too frequent change; fickleness.
overcharge verb t. To charge or load too heavily; to burden; to oppress; to cloy., To fill too full; to crowd., To charge excessively; to charge beyond a fair rate or price., To exaggerate; as, to overcharge a description., To make excessive charges., An excessive load or burden., An excessive charge in an account.
overcoming p. pr & vb. noun of Overcome, Conquering; subduing.
overcostly adjective Too costly.
overexcite verb t. To excite too much.
overfierce adjective Excessively fierce.
overflowed imp. & past participle of Overflow
overflying present participle & vb. noun of Overfly
overfrieze verb t. To cover with a frieze, or as with a frieze.
overglance verb t. To glance over.
overgreedy adjective Excessively greedy.
overground adjective Situated over or above ground; as, the overground portion of a plant.
overgrowth noun Excessive growth.
overhandle verb t. To handle, or use, too much; to mention too often.
overharden verb t. To harden too much; to make too hard.
overhauled imp. & past participle of Overhaul
overhighly adverb Too highly; too greatly.
overhipped imp. & past participle of Overhip
overinform verb t. To inform, fill, or animate, excessively.
overlading present participle & vb. noun of Overlade
overlander noun One who travels over lands or countries; one who travels overland.
overlavish adjective Lavish to excess.
overlaying present participle & vb. noun of Overlay, A superficial covering; a coating.
overleaven verb t. To leaven too much; hence, to change excessively; to spoil.
overliness noun The quality or state of being overly; carelessness.
overlinger verb t. To cause to linger; to detain too long.
overloaded imp. & past participle of Overload
overlooked imp. & past participle of Overlook
overlooker noun One who overlooks.
overmanner adverb In an excessive manner; excessively.
overmaster verb t. To overpower; to subdue; to vanquish; to govern.
overmeddle verb t. To meddle unduly.
overmellow adjective Too mellow; overripe.
overmickle adjective & adverb Overmuch.
overmodest adjective Modest to excess; bashful.
overmorrow noun The day after or following to-morrow.
overoffice verb t. To domineer over by virtue of office.
overpamper verb t. To pamper excessively; to feed or dress too much.
overpassed imp. & past participle of Overpass
overpaying present participle & vb. noun of Overpay
overpeople verb t. To people too densely.
overpester verb t. To pester exceedingly or excessively.
overplease verb t. To please excessively.
overpolish verb t. To polish too much.
overpotent adjective Too potent or powerful.
overpraise verb t. To praise excessively or unduly.
overprompt adjective Too prompt; too ready or eager; precipitate.
overraking present participle & vb. noun of Overrake
overrating present participle & vb. noun of Overrate
overraught of Overreach
overreckon verb t. To reckon too highly.
overrefine verb t. To refine too much.
overridden past participle of Override
overriding present participle & vb. noun of Override
overrigged adjective Having too much rigging.
overruling present participle & vb. noun of Overrule, Exerting controlling power; as, an overruling Providence.
overrunner noun One that overruns.
oversearch verb t. To search all over.
overseason verb t. To season too highly.
overseeing present participle & vb. noun of Oversee
overshadow verb t. To throw a shadow, or shade, over; to darken; to obscure., Fig.: To cover with a superior influence.
overslaugh noun A bar in a river; as, the overslaugh in the Hudson River., To hinder or stop, as by an overslaugh or an impediment; as, to overslaugh a bill in a legislative body; to overslaugh a military officer, that is, to hinder his promotion or employment.
oversorrow verb t. To grieve or afflict to excess.
overspread imp. & past participle of Overspread, To spread over; to cover; as, the deluge overspread the earth., To be spread or scattered over.
overspring verb t. To spring or leap over.
overstated imp. & past participle of Overstate
overstayed imp. & past participle of Overstay
over-story noun The clearstory, or upper story, of a building.
overstrain verb i. To strain one’s self to excess., To stretch or strain too much; as to overstrain one’s nerves.
overstrict adjective Excessively strict.
overstride verb t. To stride over or beyond.
overstrike verb t. To strike beyond.
oversupply verb t. To supply in excess., An excessive supply.
overtaking present participle & vb. noun of Overtake
overthrown past participle of Overthrow
overthwart adjective Having a transverse position; placed or situated across; hence, opposite., Crossing in kind or disposition; perverse; adverse; opposing., Across; crosswise; transversely., Across; from alde to side of., That which is overthwart; an adverse circumstance; opposition., To cross; to oppose.
overtopped imp. & past participle of Overtop
overturned imp. & past participle of Overturn
overturner noun One who overturns.
overvalued imp. & past participle of Overvalue
overwasted adjective Wasted or worn out; /onsumed; spent
overweener noun One who overweens.
overweight noun Weight over and above what is required by law or custom., Superabundance of weight; preponderance., Overweighing; excessive.
overworked imp. & past participle of Overwork
ovicapsule noun The outer layer of a Graafian follicle., Same as Ootheca.
oviposited imp. & past participle of Oviposit
ovipositor noun The organ with which many insects and some other animals deposit their eggs. Some ichneumon files have a long ovipositor fitted to pierce the eggs or larvae of other insects, in order to lay their own eggs within the same.
ovotesttis noun An organ which produces both ova and spermatozoids; an hermaphrodite gland.
oxaldehyde noun Same as Glyoxal.
oxamethane noun Ethyl oxamate, obtained as a white scaly crystalline powder.
oxidizable adjective Capable of being oxidized.
oxidulated adjective Existing in the state of a protoxide; — said of an oxide.
oxyammonia noun Same as Hydroxylamine.
oxybenzene noun Hydroxy benzene. Same as Phenol.
oxybenzoic adjective Hydroxybenzoic; pertaining to, or designating, any one of several hydroxyl derivatives of benzonic acid, of which the commonest is salicylic acid.
oxybutyric adjective Hydroxybutyric; designating any one of a group of metameric acids (C3H6.OH.CO2H).
oxycalcium adjective Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light.
oxycaproic adjective See Leucic.
oxychloric adjective Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine., Formerly designating an acid now called perchloric acid. See Perchloric.
oxygenated imp. & past participle of Oxygenate
oxygenator noun An oxidizer.
oxygenized imp. & past participle of Oxygenize
oxymuriate noun A salt of the supposed oxymuriatic acid; a chloride.
oxyneurine noun See Betaine.
oxyrhyncha noun pl. The maioid crabs.
oxytoluene noun One of three hydroxy derivatives of toluene, called the cresols. See Cresol.
oxytonical adjective Oxytone.
oysterling noun A young oyster.
ozonometer noun An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture.
ozonometry noun The measurement or determination of the quantity of ozone.
ozonoscope noun An apparatus employed to indicate the presence, or the amount, of ozone.
oueen-post noun One of two suspending posts in a roof truss, or other framed truss of similar form. See King-post.