7 letter word starting with o

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Words Parts of Speech Meaning/Definition/Similar Words
oakling noun A young oak.
oarfish noun The ribbon fish.
oarfoot noun Any crustacean of the genus Remipes.
oarless adjective Without oars.
oarlock noun The notch, fork, or other device on the gunwale of a boat, in which the oar rests in rowing. See Rowlock.
oarsmen plural of Oarsman
oarsman noun One who uses, or is skilled in the use of, an oar; a rower.
oatcake noun A cake made of oatmeal.
oatmeal noun Meal made of oats., A plant of the genus Panicum; panic grass.
obconic adjective Alt. of Obconical
obdured adjective Obdurate; hard.
obelion noun The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins.
obelisk noun An upright, four-sided pillar, gradually tapering as it rises, and terminating in a pyramid called pyramidion. It is ordinarily monolithic. Egyptian obelisks are commonly covered with hieroglyphic writing from top to bottom., A mark of reference; — called also dagger [/]. See Dagger, n., 2., To mark or designate with an obelisk.
obelize verb t. To designate with an obelus; to mark as doubtful or spirituous.
obesity noun The state or quality of being obese; incumbrance of flesh.
obeying present participle & vb. noun of Obey
obitual adjective Of or pertaining to obits, or days when obits are celebrated; as, obitual days.
oblatum noun An oblate spheroid; a figure described by the revolution of an ellipse about its minor axis. Cf. Oblongum.
obliged imp. & past participle of Oblige
obligee noun The person to whom another is bound, or the person to whom a bond is given.
obliger noun One who, or that which, obliges.
obligor noun The person who binds himself, or gives his bond to another.
oblique adjective Not erect or perpendicular; neither parallel to, nor at right angles from, the base; slanting; inclined., Not straightforward; indirect; obscure; hence, disingenuous; underhand; perverse; sinister., Not direct in descent; not following the line of father and son; collateral., An oblique line., To deviate from a perpendicular line; to move in an oblique direction., To march in a direction oblique to the line of the column or platoon; — formerly accomplished by oblique steps, now by direct steps, the men half-facing either to the right or left.
oblonga plural of Oblongum
obloquy noun Censorious speech; defamatory language; language that casts contempt on men or their actions; blame; reprehension., Cause of reproach; disgrace.
obolary adjective Possessing only small coins; impoverished.
obolize verb t. See Obelize.
obovate adjective Inversely ovate; ovate with the narrow end downward; as, an obovate leaf.
obscene a/ Offensive to chastity or modesty; expressing of presenting to the mind or view something which delicacy, purity, and decency forbid to be exposed; impure; as, obscene language; obscene pictures., Foul; fifthy; disgusting., Inauspicious; ill-omened.
obscure superl. Covered over, shaded, or darkened; destitute of light; imperfectly illuminated; dusky; dim., Of or pertaining to darkness or night; inconspicuous to the sight; indistinctly seen; hidden; retired; remote from observation; unnoticed., Not noticeable; humble; mean., Not easily understood; not clear or legible; abstruse or blind; as, an obscure passage or inscription., Not clear, full, or distinct; clouded; imperfect; as, an obscure view of remote objects., To render obscure; to darken; to make dim; to keep in the dark; to hide; to make less visible, intelligible, legible, glorious, beautiful, or illustrious., To conceal one’s self; to hide; to keep dark., Obscurity.
obsequy noun The last duty or service to a person, rendered after his death; hence, a rite or ceremony pertaining to burial; — now used only in the plural., Obsequiousness.
observe verb t. To take notice of by appropriate conduct; to conform one’s action or practice to; to keep; to heed; to obey; to comply with; as, to observe rules or commands; to observe civility., To be on the watch respecting; to pay attention to; to notice with care; to see; to perceive; to discover; as, to observe an eclipse; to observe the color or fashion of a dress; to observe the movements of an army., To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark., To take notice; to give attention to what one sees or hears; to attend., To make a remark; to comment; — generally with on or upon.
obtrude verb t. To thrust impertinently; to present without warrant or solicitation; as, to obtrude one’s self upon a company., To offer with unreasonable importunity; to urge unduly or against the will., To thrust one’s self upon a company or upon attention; to intrude.
obverse adjective Having the base, or end next the attachment, narrower than the top, as a leaf., The face of a coin which has the principal image or inscription upon it; — the other side being the reverse., Anything necessarily involved in, or answering to, another; the more apparent or conspicuous of two possible sides, or of two corresponding things.
obviate verb t. To meet in the way., To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.
obvious adjective Opposing; fronting., Exposed; subject; open; liable., Easily discovered, seen, or understood; readily perceived by the eye or the intellect; plain; evident; apparent; as, an obvious meaning; an obvious remark.
occiput noun The back, or posterior, part of the head or skull; the region of the occipital bone., A plate which forms the back part of the head of insects.
occlude verb t. To shut up; to close., To take in and retain; to absorb; — said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen.
occluse adjective Shut; closed.
occurse noun Same as Occursion.
oceanic adjective Of or pertaining to the ocean; found or formed in or about, or produced by, the ocean; frequenting the ocean, especially mid-ocean., Of or pertaining to Oceania or its inhabitants.
oceanus noun The god of the great outer sea, or the river which was believed to flow around the whole earth.
ocellus noun A little eye; a minute simple eye found in many invertebrates., An eyelike spot of color, as those on the tail of the peacock.
oceloid adjective Resembling the ocelot.
ocreate adjective Alt. of Ocreated
octagon noun A plane figure of eight sides and eight angles., Any structure (as a fortification) or place with eight sides or angles.
octapla sing. A portion of the Old Testament prepared by Origen in the 3d century, containing the Hebrew text and seven Greek versions of it, arranged in eight parallel columns.
octavos plural of Octavo
octoate noun A salt of an octoic acid; a caprylate.
october noun The tenth month of the year, containing thirty-one days., Ale or cider made in that month.
octofid adjective Cleft or separated into eight segments, as a calyx.
octopod noun One of the Octocerata.
octopus noun A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish,
octuple adjective Eightfold.
octylic adjective Pertaining to, derived from, or containing, octyl; as, octylic ether.
oculary adjective Of or pertaining to the eye; ocular; optic; as, oculary medicines.
oculate adjective Alt. of Oculated
oculina noun A genus of tropical corals, usually branched, and having a very volid texture.
oculist noun One skilled in treating diseases of the eye.
oddness noun The state of being odd, or not even., Singularity; strangeness; eccentricity; irregularity; uncouthness; as, the oddness of dress or shape; the oddness of an event.
odizing present participle & vb. noun of Odize
odonata noun pl. The division of insects that includes the dragon flies.
odonto- A combining form from Gr. ‘odoy`s, ‘odo`ntos, a tooth.
odorant adjective Yielding odors; fragrant.
odorate adjective Odorous.
odorous adjective Having or emitting an odor or scent, esp. a sweet odor; fragrant; sweet-smelling.
odyssey noun An epic poem attributed to Homer, which describes the return of Ulysses to Ithaca after the siege of Troy.
oeiliad noun Alt. of Oeillade
oenomel noun Wine mixed with honey; mead,
oestrus noun A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis., A vehement desire; esp. (Physiol.), the periodical sexual impulse of animals; heat; rut.
offence noun See Offense., The act of offending in any sense; esp., a crime or a sin, an affront or an injury., The state of being offended or displeased; anger; displeasure., A cause or occasion of stumbling or of sin.
offense noun Alt. of Offence
offered imp. & past participle of Offer
offerer noun One who offers; esp., one who offers something to God in worship.
offhand adjective Instant; ready; extemporaneous; as, an offhand speech; offhand excuses., In an offhand manner; as, he replied offhand.
officer noun One who holds an office; a person lawfully invested with an office, whether civil, military, or ecclesiastical; as, a church officer; a police officer; a staff officer., Specifically, a commissioned officer, in distinction from a warrant officer., To furnish with officers; to appoint officers over., To command as an officer; as, veterans from old regiments officered the recruits.
offscum noun Removed scum; refuse; dross.
offskip noun That part of a landscape which recedes from the spectator into distance.
ogreish adjective Resembling an ogre; having the character or appearance of an ogre; suitable for an ogre.
ogreism noun Alt. of Ogrism
ogygian adjective Of or pertaining to Ogyges, a mythical king of ancient Attica, or to a great deluge in Attica in his days; hence, primeval; of obscure antiquity.
oilbird noun See Guacharo.
oilseed noun Seed from which oil is expressed, as the castor bean; also, the plant yielding such seed. See Castor bean., A cruciferous herb (Camelina sativa)., The sesame.
oilskin noun Cloth made waterproof by oil.
ointing p. pr & vb. noun of Oint
okenite noun A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.
oldness noun The state or quality of being old; old age.
oldster noun An old person.
oleamen noun A soft ointment prepared from oil.
olefine noun Olefiant gas, or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.
olibene noun A colorless mobile liquid of a pleasant aromatic odor obtained by the distillation of olibanum, or frankincense, and regarded as a terpene; — called also conimene.
olidous adjective Having a strong, disagreeable smell; fetid.
olifant noun An elephant., An ancient horn, made of ivory.
oligist adjective Hematite or specular iron ore; — prob. so called in allusion to its feeble magnetism, as compared with magnetite., Alt. of Oligistic
olitory adjective Of or pertaining to, or produced in, a kitchen garden; used for kitchen purposes; as, olitory seeds.
olivary adjective Like an olive.
olivine noun A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks.
olivite noun See Olivin.
olympic adjective Of or pertaining to Olympus, a mountain of Thessaly, fabled as the seat of the gods, or to Olympia, a small plain in Elis.
omegoid adjective Having the form of the Greek capital letter Omega (/).
omening present participle & vb. noun of Omen
omental adjective Of or pertaining to an omentum or the omenta.
omentum noun A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon.
ominate verb t. & i. To presage; to foreshow; to foretoken.
ominous adjective Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; — formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious; as, an ominous dread.
omitted imp. & past participle of Omit
omitter noun One who omits.
ommatea plural of Ommateum
omnibus noun A long four-wheeled carriage, having seats for many people; especially, one with seats running lengthwise, used in conveying passengers short distances., A sheet-iron cover for articles in a leer or annealing arch, to protect them from drafts.
omniety noun That which is all-pervading or all-comprehensive; hence, the Deity.
omnific adjective All-creating.
onagers plural of Onager
onanism noun Self-pollution; masturbation.
oneidas noun pl. A tribe of Indians formerly inhabiting the region near Oneida Lake in the State of New York, and forming part of the Five Nations. Remnants of the tribe now live in New York, Canada, and Wisconsin.
onement noun The state of being at one or reconciled.
oneness noun The state of being one; singleness in number; individuality; unity.
onerary adjective Fitted for, or carrying, a burden.
onerate verb t. To load; to burden.
onerous adjective Burdensome; oppressive.
oneself pronoun A reflexive form of the indefinite pronoun one. Commonly writen as two words, one’s self.
ongoing noun The act of going forward; progress; (pl.) affairs; business; current events.
onguent noun An unguent.
onology noun Foolish discourse.
onstead noun A single farmhouse; a steading.
onwards adverb Onward.
onychia noun A whitlow., An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail.
ooecium noun One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See Bryozoa.
oogonia plural of Oogonium
oolitic adjective Of or pertaining to oolite; composed of, or resembling, oolite.
oophore noun An alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which bears antheridia and archegonia, and so has sexual fructification, as contrasted with the sporophore, which is nonsexual, but produces spores in countless number. In ferns the oophore is a minute prothallus; in mosses it is the leafy plant.
oophyte noun Any plant of a proposed class or grand division (collectively termed oophytes or Oophyta), which have their sexual reproduction accomplished by motile antherozoids acting on oospheres, either while included in their oogonia or after exclusion.
oosperm noun The ovum, after fusion with the spermatozoon in impregnation.
oospere noun An unfertilized, rounded mass of protoplasm, produced in an oogonium., An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle.
oospore noun A special kind of spore resulting from the fertilization of an oosphere by antherozoids., A fertilized oosphere in the ovule of a flowering plant.
ootheca noun An egg case, especially those of many kinds of mollusks, and of some insects, as the cockroach. Cf. Ooecium.
ootooid noun Alt. of Ootocoid
opacate verb t. To darken; to cloud.
opacity noun The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness., Obscurity; want of clearness.
opacous adjective Opaque.
opaline adjective Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
opalize verb t. To convert into opal, or a substance like opal.
opening present participle & vb. noun of Open, The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech., A place which is open; a breach; an aperture; a gap; cleft, or hole., Hence: A vacant place; an opportunity; as, an opening for business., A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.
operand noun The symbol, quantity, or thing upon which a mathematical operation is performed; — called also faciend.
operant adjective Operative., An operative person or thing.
operate verb i. To perform a work or labor; to exert power or strengh, physical or mechanical; to act., To produce an appropriate physical effect; to issue in the result designed by nature; especially (Med.), to take appropriate effect on the human system., To act or produce effect on the mind; to exert moral power or influence., To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc., To deal in stocks or any commodity with a view to speculative profits., To produce, as an effect; to cause., To put into, or to continue in, operation or activity; to work; as, to operate a machine.
opercle noun Any one of the bony plates which support the gill covers of fishes; an opercular bone., An operculum.
operose adjective Wrought with labor; requiring labor; hence, tedious; wearisome.
operous adjective Operose.
opetide noun Open time; — applied to different things, The early spring, or the time when flowers begin opening., The time between Epiphany and Ash Wednesday wherein marriages were formerly solemnized publicly in churches. [Eng.], The time after harvest when the common fields are open to all kinds of stock.
ophelic adjective Of, pertaining to, or designating, a substance (called ophelic acid) extracted from a plant (Ophelia) of the Gentian family as a bitter yellowish sirup, used in India as a febrifuge and tonic.
ophidia noun pl. The order of reptiles which includes the serpents., of Ophidion
ophiura noun A genus of ophiurioid starfishes.
ophryon noun The supraorbital point.
opianic adjective Of, pertaining to, or designating, an organic acid obtained by the oxidation of narcotine.
opianyl noun Same as Meconin.
opiated adjective Mixed with opiates., Under the influence of opiates.
opifice noun Workmanship.
opining present participle & vb. noun of Opine, Opinion.
opinion noun That which is opined; a notion or conviction founded on probable evidence; belief stronger than impression, less strong than positive knowledge; settled judgment in regard to any point of knowledge or action., The judgment or sentiment which the mind forms of persons or things; estimation., Favorable estimation; hence, consideration; reputation; fame; public sentiment or esteem., Obstinacy in holding to one’s belief or impression; opiniativeness; conceitedness., The formal decision, or expression of views, of a judge, an umpire, a counselor, or other party officially called upon to consider and decide upon a matter or point submitted., To opine.
opossum noun Any American marsupial of the genera Didelphys and Chironectes. The common species of the United States is Didelphys Virginiana.
oppidan adjective Of or pertaining to a town., An inhabitant of a town., A student of Eton College, England, who is not a King’s scholar, and who boards in a private family.
opplete adjective Alt. of Oppleted
opposal noun Opposition.
opposed imp. & past participle of Oppose
opposer noun One who opposes; an opponent; an antagonist; an adversary.
oppress verb t. To impose excessive burdens upon; to overload; hence, to treat with unjust rigor or with cruelty., To ravish; to violate., To put down; to crush out; to suppress., To produce a sensation of weight in (some part of the body); as, my lungs are oppressed by the damp air; excess of food oppresses the stomach.
optable adjective That may be chosen; desirable.
optical adjective Of or pertaining to vision or sight., Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye., Relating to the science of optics; as, optical works.
opulent adjective Having a large estate or property; wealthy; rich; affluent; as, an opulent city; an opulent citizen.
opuntia noun A genus of cactaceous plants; the prickly pear, or Indian fig.
opuscle noun Alt. of Opuscule
oquassa noun A small, handsome trout (Salvelinus oquassa), found in some of the lakes in Maine; — called also blueback trout.
oracled imp. & past participle of Oracle
oraison noun See Orison.
orarian adjective Of or pertaining to a coast.
oration noun An elaborate discourse, delivered in public, treating an important subject in a formal and dignified manner; especially, a discourse having reference to some special occasion, as a funeral, an anniversary, a celebration, or the like; — distinguished from an argument in court, a popular harangue, a sermon, a lecture, etc.; as, Webster’s oration at Bunker Hill., To deliver an oration.
oratory noun A place of orisons, or prayer; especially, a chapel or small room set apart for private devotions., The art of an orator; the art of public speaking in an eloquent or effective manner; the exercise of rhetorical skill in oral discourse; eloquence.
oratrix noun A woman plaintiff, or complainant, in equity pleading.
orbical adjective Spherical; orbicular; orblike; circular.
orbicle noun A small orb, or sphere.
orbital adjective Of or pertaining to an orbit.
orbitar adjective Orbital.
orchard noun A garden., An inclosure containing fruit trees; also, the fruit trees, collectively; — used especially of apples, peaches, pears, cherries, plums, or the like, less frequently of nutbearing trees and of sugar maple trees.
ordered imp. & past participle of Order
orderer noun One who puts in order, arranges, methodizes, or regulates., One who gives orders.
orderly adjective Conformed to order; in order; regular; as, an orderly course or plan., Observant of order, authority, or rule; hence, obedient; quiet; peaceable; not unruly; as, orderly children; an orderly community., Performed in good or established order; well-regulated., Being on duty; keeping order; conveying orders., According to due order; regularly; methodically; duly., A noncommissioned officer or soldier who attends a superior officer to carry his orders, or to render other service., A street sweeper.
ordinal adjective Indicating order or succession; as, the ordinal numbers, first, second, third, etc., Of or pertaining to an order., A word or number denoting order or succession., The book of forms for making, ordaining, and consecrating bishops, priests, and deacons., A book containing the rubrics of the Mass.
oreades noun pl. A group of butterflies which includes the satyrs. See Satyr, 2.
orectic adjective Of or pertaining to the desires; hence, impelling to gratification; appetitive.
oreodon noun A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer.
oreweed noun Same as Oarweed.
orewood noun Same as Oarweed.
orfgild noun Restitution for cattle; a penalty for taking away cattle.
orfrays noun See Orphrey. [Obs.] Rom. of R.
organdy noun A kind of transparent light muslin.
organic adjective Of or pertaining to an organ or its functions, or to objects composed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants; exhibiting characters peculiar to living organisms; as, organic bodies, organic life, organic remains. Cf. Inorganic., Produced by the organs; as, organic pleasure., Instrumental; acting as instruments of nature or of art to a certain destined function or end., Forming a whole composed of organs. Hence: Of or pertaining to a system of organs; inherent in, or resulting from, a certain organization; as, an organic government; his love of truth was not inculcated, but organic., Pertaining to, or denoting, any one of the large series of substances which, in nature or origin, are connected with vital processes, and include many substances of artificial production which may or may not occur in animals or plants; — contrasted with inorganic.
organo- A combining form denoting relation to, or connection with, an organ or organs.
organon noun Alt. of Organum
organum noun An organ or instrument; hence, a method by which philosophical or scientific investigation may be conducted; — a term adopted from the Aristotelian writers by Lord Bacon, as the title (“Novum Organon”) of part of his treatise on philosophical method.
oriency noun Brightness or strength of color.
orifice noun A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.
orillon noun A semicircular projection made at the shoulder of a bastion for the purpose of covering the retired flank, — found in old fortresses.
orisont noun Horizon.
orleans noun A cloth made of worsted and cotton, — used for wearing apparel., A variety of the plum. See under Plum.
orology noun The science or description of mountains.
orotund adjective Characterized by fullness, clearness, strength, and smoothness; ringing and musical; — said of the voice or manner of utterance., The orotund voice or utterance
orphean adjective Of or pertaining to Orpheus, the mythic poet and musician; as, Orphean strains.
orpheus noun The famous mythic Thracian poet, son of the Muse Calliope, and husband of Eurydice. He is reputed to have had power to entrance beasts and inanimate objects by the music of his lyre.
orphrey noun A band of rich embroidery, wholly or in part of gold, affixed to vestments, especially those of ecclesiastics.
orsedew noun Alt. of Orsedue
orsedue noun Leaf metal of bronze; Dutch metal. See under Dutch.
orthite noun A variety of allanite occurring in slender prismatic crystals.
ortolan noun A European singing bird (Emberiza hortulana), about the size of the lark, with black wings. It is esteemed delicious food when fattened. Called also bunting., In England, the wheatear (Saxicola oenanthe)., In America, the sora, or Carolina rail (Porzana Carolina). See Sora.
ortygan noun One of several species of East Indian birds of the genera Ortygis and Hemipodius. They resemble quails, but lack the hind toe. See Turnix.
oscines noun pl. Singing birds; a group of the Passeres, having numerous syringeal muscles, conferring musical ability.
osculum noun Same as Oscule.
osiered adjective Covered or adorned with osiers; as, osiered banks.
osmanli noun A Turkish official; one of the dominant tribe of Turks; loosely, any Turk.
osmious adjective Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds; as, osmious chloride.
osmosis noun Osmose.
osmotic adjective Pertaining to, or having the property of, osmose; as, osmotic force.
osselet noun A little bone., The internal bone, or shell, of a cuttlefish.
osseous adjective Composed of bone; resembling bone; capable of forming bone; bony; ossific.
osseter noun A species of sturgeon.
ossicle noun A little bone; as, the auditory ossicles in the tympanum of the ear., One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes.
ossific adjective Capable of producing bone; having the power to change cartilage or other tissue into bone.
ossuary noun A place where the bones of the dead are deposited; a charnel house.
osteler noun Same as Hosteler.
osteoid adjective Resembling bone; bonelike.
osteoma noun A tumor composed mainly of bone; a tumor of a bone.
ostiary noun The mouth of a river; an estuary., One who keeps the door, especially the door of a church; a porter.
ostiole noun The exterior opening of a stomate. See Stomate., Any small orifice.
ostitis noun See Osteitis.
ostlery noun See Hostelry.
ostosis noun Bone formation; ossification. See Ectostosis, and Endostosis.
ostrich noun A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.
otalgia noun Pain in the ear; earache.
otalgic adjective Of or pertaining to otalgia., A remedy for otalgia.
otaries plural of Otary
otocyst noun An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.
otolith noun Alt. of Otolite
otolite noun One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.
otology noun The branch of science which treats of the ear and its diseases.
otozoum noun An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones.
ottawas noun pl. A tribe of Indians who, when first known, lived on the Ottawa River. Most of them subsequently migrated to the southwestern shore of Lake Superior.
ottoman adjective Of or pertaining to the Turks; as, the Ottoman power or empire., A Turk., A stuffed seat without a back, originally used in Turkey.
ouakari noun Any South American monkey of the genus Brachyurus, especially B. ouakari.
ouarine noun A Brazilian monkey of the genus Mycetes.
ounding vb. noun Waving.
ouretic adjective Uric.
ousting present participle & vb. noun of Oust
outbade of Outbid
outborn adjective Foreign; not native.
outbrag verb t. To surpass in bragging; hence, to make appear inferior.
outbray verb t. To exceed in braying., To emit with great noise.
outburn verb t. & i. To exceed in burning., To burn entirely; to be consumed.
outcant verb t. To surpass in canting.
outcast adjective Cast out; degraded., One who is cast out or expelled; an exile; one driven from home, society, or country; hence, often, a degraded person; a vagabond., A quarrel; a contention.
outcept preposition Except.
outcome noun That which comes out of, or follows from, something else; issue; result; consequence; upshot.
outcrop noun The coming out of a stratum to the surface of the ground., That part of inclined strata which appears at the surface; basset., To come out to the surface of the ground; — said of strata.
outdare verb t. To surpass in daring; to overcome by courage; to brave.
outdone past participle of Outdo
outdoor adjective Being, or done, in the open air; being or done outside of certain buildings, as poorhouses, hospitals, etc.; as, outdoor exercise; outdoor relief; outdoor patients.
outdraw verb t. To draw out; to extract.
outdure verb t. To outlast.
outerly adverb Utterly; entirely., Toward the outside.
outface verb t. To face or look (one) out of countenance; to resist or bear down by bold looks or effrontery; to brave.
outfall noun The mouth of a river; the lower end of a water course; the open end of a drain, culvert, etc., where the discharge occurs., A quarrel; a falling out.
outfawn verb t. To exceed in fawning.
outfeat verb t. To surpass in feats.
outflow noun A flowing out; efflux., To flow out.
outflew imp. of Outfly
outfool verb t. To exceed in folly.
outform noun External appearance.
outgate noun An outlet.
outgaze verb t. To gaze beyond; to exceed in sharpness or persistence of seeing or of looking; hence, to stare out of countenance.
outgive verb t. To surpass in giving.
outwent imp. of Outgo, imp. of Outgo.
outgone past participle of Outgo
outgoes plural of Outgo
outgoer noun One who goes out or departs.
outgrew imp. of Outgrow
outgrow verb t. To surpass in growing; to grow more than., To grow out of or away from; to grow too large, or too aged, for; as, to outgrow clothing; to outgrow usefulness; to outgrow an infirmity.
outgush noun A pouring out; an outburst., To gush out; to flow forth.
outhaul noun A rope used for hauling out a sail upon a spar; — opposite of inhaul.
outhess noun Outcry; alarm.
outhire verb t. To hire out.
outjest verb t. To surpass in jesting; to drive out, or away, by jesting.
outland adjective Foreign; outlandish.
outlast verb t. To exceed in duration; to survive; to endure longer than.
outleap verb t. To surpass in leaping., A sally.
outlier noun One who does not live where his office, or business, or estate, is., That which lies, or is, away from the main body., A part of a rock or stratum lying without, or beyond, the main body, from which it has been separated by denudation.
outlimb noun An extreme member or part of a thing; a limb.
outline noun The line which marks the outer limits of an object or figure; the exterior line or edge; contour., In art: A line drawn by pencil, pen, graver, or the like, by which the boundary of a figure is indicated., A sketch composed of such lines; the delineation of a figure without shading., Fig.: A sketch of any scheme; a preliminary or general indication of a plan, system, course of thought, etc.; as, the outline of a speech., To draw the outline of., Fig.: To sketch out or indicate as by an outline; as, to outline an argument or a campaign.
outlive verb t. To live beyond, or longer than; to survive.
outlook verb t. To face down; to outstare., To inspect throughly; to select., The act of looking out; watch., One who looks out; also, the place from which one looks out; a watchower., The view obtained by one looking out; scope of vision; prospect; sight; appearance.
outlope noun An excursion.
outmost adjective Farthest from the middle or interior; farthest outward; outermost.
outname verb t. To exceed in naming or describing., To exceed in name, fame, or degree.
outness noun The state of being out or beyond; separateness., The state or quality of being distanguishable from the perceiving mind, by being in space, and possessing marerial quality; externality; objectivity.
outpace verb t. To outgo; to move faster than; to leave behind.
outpart noun An outlying part.
outpass verb t. To pass beyond; to exceed in progress.
outpeer verb t. To excel.
outplay verb t. To excel or defeat in a game; to play better than; as, to be outplayed in tennis or ball.
outport noun A harbor or port at some distance from the chief town or seat of trade.
outpost noun A post or station without the limits of a camp, or at a distance from the main body of an army, for observation of the enemy., The troops placed at such a station.
outpour verb t. To pour out., A flowing out; a free discharge.
outpray verb t. To exceed or excel in prayer.
outrage verb t. To rage in excess of., Injurious violence or wanton wrong done to persons or things; a gross violation of right or decency; excessive abuse; wanton mischief; gross injury., Excess; luxury., To commit outrage upon; to subject to outrage; to treat with violence or excessive abuse., Specifically, to violate; to commit an indecent assault upon (a female)., To be guilty of an outrage; to act outrageously.
outrank verb t. To exceed in rank; hence, to take precedence of.
outraye verb i. See Outrage, v. i.
outraze verb t. To obliterate.
outrede verb t. To surpass in giving rede, or counsel.
outride verb t. To surpass in speed of riding; to ride beyond or faster than., A riding out; an excursion., A place for riding out.
outring verb t. To excel in volume of ringing sound; to ring louder than.
outrive verb t. To river; to sever.
outroad noun Alt. of Outrode
outrode noun An excursion.
outroar verb t. To exceed in roaring.
outroom noun An outer room.
outroot verb t. To eradicate; to extirpate.
outrush verb i. To rush out; to issue, or ru/ out, forcibly.
outsail verb t. To excel, or to leave behind, in sailing; to sail faster than.
outsell verb t. To exceed in amount of sales; to sell more than., To exceed in the price of selling; to fetch more than; to exceed in value.
outshut verb t. To shut out.
outside noun The external part of a thing; the part, end, or side which forms the surface; that which appears, or is manifest; that which is superficial; the exterior., The part or space which lies without an inclosure; the outer side, as of a door, walk, or boundary., The furthest limit, as to number, quantity, extent, etc.; the utmost; as, it may last a week at the outside., One who, or that which, is without; hence, an outside passenger, as distinguished from one who is inside. See Inside, n. 3., Of or pertaining to the outside; external; exterior; superficial., Reaching the extreme or farthest limit, as to extent, quantity, etc.; as, an outside estimate., or prep. On or to the outside (of); without; on the exterior; as, to ride outside the coach; he stayed outside.
outsing verb t. To surpass in singing.
outsoar verb t. To soar beyond or above.
outsole noun The outside sole of a boot or shoe.
outspan verb t. & i. To unyoke or disengage, as oxen from a wagon.
outspin verb t. To spin out; to finish.
outstay verb t. To stay beyond or longer than.
outstep verb t. To exceed in stepping.
outtake preposition Except.
outtalk verb t. To overpower by talking; to exceed in talking; to talk down.
outtell verb t. To surpass in telling, counting, or reckoning.
outterm noun An external or superficial thing; outward manner; superficial remark, etc.
outtoil verb t. To exceed in toiling.
outvote verb t. To exceed in the number of votes given; to defeat by votes.
outwalk verb t. To excel in walking; to leave behind in walking.
outwall noun The exterior wall; the outside surface, or appearance.
outward adverb Alt. of Outwards, Forming the superficial part; external; exterior; — opposed to inward; as, an outward garment or layer., Of or pertaining to the outer surface or to what is external; manifest; public., Foreign; not civil or intestine; as, an outward war., Tending to the exterior or outside., External form; exterior.
outwear verb t. To wear out; to consume or destroy by wearing., To last longer than; to outlast; as, this cloth will outwear the other.
outweed verb t. To weed out.
outweep verb t. To exceed in weeping.
outwell verb t. To pour out., To issue forth.
outwind verb t. To extricate by winding; to unloose.
outwing verb t. To surpass, exceed, or outstrip in flying.
outwork verb t. To exceed in working; to work more or faster than., A minor defense constructed beyond the main body of a work, as a ravelin, lunette, hornwork, etc.
outzany verb t. To exceed in buffoonery.
ovarian adjective Alt. of Ovarial
ovarial adjective Of or pertaining to an ovary.
ovarium noun An ovary. See Ovary.
ovaries plural of Ovary
ovation noun A lesser kind of triumph allowed to a commander for an easy, bloodless victory, or a victory over slaves., Hence: An expression of popular homage; the tribute of the multitude to a public favorite.
overact verb t. To act or perform to excess; to exaggerate in acting; as, he overacted his part., To act upon, or influence, unduly., To act more than is necessary; to go to excess in action.
overall adverb Everywhere.
overawe verb t. To awe exceedingly; to subjugate or restrain by awe or great fear.
overbid verb t. To bid or offer beyond, or in excess of.
overbow verb t. To bend or bow over; to bend in a contrary direction.
overbuy verb t. To buy too much., To buy at too dear a rate.
overdid imp. of Overdo
overdry verb t. To dry too much.
overdue adjective Due and more than due; delayed beyond the proper time of arrival or payment, etc.; as, an overdue vessel; an overdue note.
overdye verb t. To dye with excess of color; to put one color over (another).
overeat verb t. & i. To gnaw all over, or on all sides., To eat to excess; — often with a reflexive.
overest superl. Uppermost; outermost.
overeye verb t. To superintend; to oversee; to inspect., To see; to observe.
overfed imp. & past participle of Overfeed
overfly verb t. To cross or pass over by flight.
overget verb t. To reach; to overtake; to pass., To get beyond; to get over or recover from.
overhip verb t. To pass over by, or as by a hop; to skip over; hence, to overpass.
overjoy verb t. To make excessively joyful; to gratify extremely., Excessive joy; transport.
overlap verb t. & i. To lap over; to lap., The lapping of one thing over another; as, an overlap of six inches; an overlap of a slate on a roof., An extension of geological beds above and beyond others, as in a conformable series of beds, when the upper beds extend over a wider space than the lower, either in one or in all directions.
overlay verb t. To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon., To smother with a close covering, or by lying upon., To put an overlay on., A covering., A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place., of Overlie
overlie verb t. To lie over or upon; specifically, to suffocate by lying upon; as, to overlie an infant.
overlip noun The upper lip.
overmix verb t. To mix with too much.
overpay verb t. To pay too much to; to reward too highly.
overply verb t. To ply to excess; to exert with too much vigor; to overwork.
overred verb t. To smear with red.
overrid of Override
overran imp. of Overrun
overrun past participle of Overrun, To run over; to grow or spread over in excess; to invade and occupy; to take possession of; as, the vine overran its trellis; the farm is overrun with witch grass., To exceed in distance or speed of running; to go beyond or pass in running., To go beyond; to extend in part beyond; as, one line overruns another in length., To abuse or oppress, as if by treading upon., To carry over, or back, as type, from one line or page into the next after, or next before., To extend the contents of (a line, column, or page) into the next line, column, or page., To run, pass, spread, or flow over or by something; to be beyond, or in excess., To extend beyond its due or desired length; as, a line, or advertisement, overruns.
oversay verb t. To say over; to repeat.
oversea adjective Beyond the sea; foreign., Alt. of Overseas
oversaw imp. of Oversee
oversee verb t. To superintend; to watch over; to direct; to look or see after; to overlook., To omit or neglect seeing., To see too or too much; hence, to be deceived.
overset imp. & past participle of Overset, To turn or tip (anything) over from an upright, or a proper, position so that it lies upon its side or bottom upwards; to upset; as, to overset a chair, a coach, a ship, or a building., To cause to fall, or to tail; to subvert; to overthrow; as, to overset a government or a plot., To fill too full., To turn, or to be turned, over; to be upset., An upsetting; overturn; overthrow; as, the overset of a carriage., An excess; superfluity.
oversow verb t. To sow where something has already been sown.
oversum noun A sum or quantity over; surplus.
overtax verb t. To tax or to task too heavily.
overtly adverb Publicly; openly.
overtop verb t. To rise above the top of; to exceed in height; to tower above., To go beyond; to transcend; to transgress., To make of less importance, or throw into the background, by superior excellence; to dwarf; to obscure.
overwar verb t. To defeat.
overwax verb i. To wax or grow too rapindly or too much.
overwet noun Excessive wetness.
overwit verb t. To outwit.
ovicell noun One of the dilatations of the body wall of Bryozoa in which the ova sometimes undegro the first stages of their development. See Illust. of Chilostoma.
ovicyst noun The pouch in which incubation takes place in some Tunicata.
ovidian adjective Of or pertaining to the Latin poet Ovid; resembling the style of Ovid.
oviduct noun A tube, or duct, for the passage of ova from the ovary to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.
oviform adjective Having the form or figure of an egg; egg-shaped; as, an oviform leaf.
ovipara noun pl. An artifical division of vertebrates, including those that lay eggs; — opposed to Vivipara.
ovoidal adjective Resembling an egg in shape; egg-shaped; ovate; as, an ovoidal apple.
ovology noun That branch of natural history which treats of the origin and functions of eggs.
ovulary adjective Pertaining to ovules.
ovulate adjective Containing an ovule or ovules.
ovulist noun A believer in the theory (called encasement theory), current during the last century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist.
ovulite noun A fossil egg.
owenite noun A follower of Robert Owen, who tried to reorganize society on a socialistic basis, and established an industrial community on the Clyde, Scotland, and, later, a similar one in Indiana.
oxalate noun A salt of oxalic acid.
oxaline noun See Glyoxaline.
oxalite noun A yellow mineral consisting of oxalate of iron.
oxamate noun A salt of oxamic acid.
oxamide n A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.
oxbiter noun The cow blackbird.
oxheart noun A large heart-shaped cherry, either black, red, or white.
oxidate verb t. To oxidize.
oxidize verb t. To combine with oxygen, or subject to the action of oxygen, or of an oxidizing agent., To combine with oxygen or with more oxygen; to add oxygen to; as, to oxidize nitrous acid so as to form nitric acid., To remove hydrogen from (anything), as by the action of oxygen; as, to oxidize alcohol so as to form aldehyde., To subject to the action of oxygen or of an oxidizing agent, so as to bring to a higher grade, as an -ous compound to an -ic compound; as, to oxidize mercurous chloride to mercuric chloride.
oxindol noun A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.
oxiodic adjective Pertaining to, or designating, certain compounds of iodine and oxygen.
oxonate noun A salt of oxonic acid.
oxonian adjective Of or relating to the city or the university of Oxford, England., A student or graduate of Oxford University, in England.
oxyacid noun An acid containing oxygen, as chloric acid or sulphuric acid; — contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.
oxyntic adjective Acid; producing acid; -applied especially to certain glands and cells in the stomach.
oxyopia noun Alt. of Oxyopy
oxysalt noun A salt of an oxyacid, as a sulphate.
oxytone adjective Having an acute sound; (Gr. Gram.), having an acute accent on the last syllable., An acute sound., A word having the acute accent on the last syllable.
ozonize verb t. To convert into ozone, as oxygen., To treat with ozone.
ozonous adjective Pertaining to or containing, ozone.