Webster's Unabridged Dictionary - Letter O - Page 19

Opisthomi (n. pl.) An order of eellike fishes having the scapular arch attached to the vertebrae, but not connected with the skull.

Opisthopulmonate (a.) Having the pulmonary sac situated posteriorly; -- said of certain air-breathing Mollusca.

Opisthotic (n.) The inferior and posterior of the three elements forming the periotic bone.

Opisthotonos (n.) A tetanic spasm in which the body is bent backwards and stiffened.

Opitulation (n.) The act of helping or aiding; help.

Opium (n.) The inspissated juice of the Papaver somniferum, or white poppy.

Ople tree () The witch-hazel.

Opobalsam (n.) Alt. of Opobalsamum

Opobalsamum (n.) The old name of the aromatic resinous juice of the Balsamodendron opobalsamum, now commonly called balm of Gilead. See under Balm.

Opodeldoc (n.) A kind of plaster, said to have been invented by Mindererus, -- used for external injuries.

Opodeldoc (n.) A saponaceous, camphorated liniment; a solution of soap in alcohol, with the addition of camphor and essential oils; soap liniment.

Opopanax (n.) The inspissated juice of an umbelliferous plant (the Opoponax Chironum), brought from Turkey and the East Indies in loose granules, or sometimes in larger masses, of a reddish yellow color, with specks of white. It has a strong smell and acrid taste, and was formerly used in medicine as an emmenagogue and antispasmodic.

Opossum (n.) Any American marsupial of the genera Didelphys and Chironectes. The common species of the United States is Didelphys Virginiana.

Oppidan (a.) Of or pertaining to a town.

Oppidan (n.) An inhabitant of a town.

Oppidan (n.) A student of Eton College, England, who is not a King's scholar, and who boards in a private family.

Oppignerate (v. i.) To pledge; to pawn.

Oppilated (imp. & p. p.) of Oppilate

Oppilating (p. pr. & vb. n.) of Oppilate

Oppilate (v. t.) To crowd together; to fill with obstructions; to block up.

Oppilation (n.) The act of filling or crowding together; a stopping by redundant matter; obstruction, particularly in the lower intestines.

Oppilative (a.) Obstructive.

Opplete (a.) Alt. of Oppleted

Oppleted (a.) Filled; crowded.

Oppletion (n.) The act of filling up, or the state of being filled up; fullness.

Oppone (v. t.) To oppose.

Opponency (n.) The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree.

Opponent (a.) Situated in front; opposite; hence, opposing; adverse; antagonistic.

Opponent (n.) One who opposes; an adversary; an antagonist; a foe.

Opponent (n.) One who opposes in a disputation, argument, or other verbal controversy; specifically, one who attacks some theirs or proposition, in distinction from the respondent, or defendant, who maintains it.

Opportune (a.) Convenient; ready; hence, seasonable; timely.

Opportune (v. t.) To suit.

Opportunism (n.) The art or practice of taking advantage of opportunities or circumstances, or of seeking immediate advantage with little regard for ultimate consequences.

Opportunist (n.) One who advocates or practices opportunism.

Opportunities (pl. ) of Opportunity

Opportunity (n.) Fit or convenient time; a time or place favorable for executing a purpose; a suitable combination of conditions; suitable occasion; chance.

Opportunity (n.) Convenience of situation; fitness.

Opportunity (n.) Importunity; earnestness.

Opposability (n.) The condition or quality of being opposable.

Opposable (a.) Capable of being opposed or resisted.

Opposable (a.) Capable of being placed opposite something else; as, the thumb is opposable to the forefinger.

Opposal (n.) Opposition.

Opposed (imp. & p. p.) of Oppose

Opposing (p. pr. & vb. n.) of Oppose

Oppose (n.) To place in front of, or over against; to set opposite; to exhibit.

Oppose (n.) To put in opposition, with a view to counterbalance or countervail; to set against; to offer antagonistically.

Oppose (n.) To resist or antagonize by physical means, or by arguments, etc.; to contend against; to confront; to resist; to withstand; as, to oppose the king in battle; to oppose a bill in Congress.

Oppose (n.) To compete with; to strive against; as, to oppose a rival for a prize.

Oppose (v. i.) To be set opposite.

Oppose (v. i.) To act adversely or in opposition; -- with against or to; as, a servant opposed against the act.

Oppose (v. i.) To make objection or opposition in controversy.

Opposeless (a.) Not to be effectually opposed; irresistible.

Opposer (n.) One who opposes; an opponent; an antagonist; an adversary.

Opposite (a.) Placed over against; standing or situated over against or in front; facing; -- often with to; as, a house opposite to the Exchange.

Opposite (a.) Applied to the other of two things which are entirely different; other; as, the opposite sex; the opposite extreme.

Opposite (a.) Extremely different; inconsistent; contrary; repugnant; antagonistic.

Opposite (a.) Set over against each other, but separated by the whole diameter of the stem, as two leaves at the same node.

Opposite (a.) Placed directly in front of another part or organ, as a stamen which stands before a petal.

Opposite (n.) One who opposes; an opponent; an antagonist.

Opposite (n.) That which is opposed or contrary; as, sweetness and its opposite.

Oppositely (adv.) In a situation to face each other; in an opposite manner or direction; adversely.

Oppositeness (n.) The quality or state of being opposite.

Oppositifolious (a.) Placed at the same node with a leaf, but separated from it by the whole diameter of the stem; as, an oppositifolious peduncle.

Opposition (n.) The act of opposing; an attempt to check, restrain, or defeat; resistance.

Opposition (n.) The state of being placed over against; situation so as to front something else.

Opposition (n.) Repugnance; contrariety of sentiment, interest, or purpose; antipathy.

Opposition (n.) 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.

Opposition (n.) 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.

Opposition (n.) 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.

Oppositionist (n.) One who belongs to the opposition party.

Oppositipetalous (a.) Placed in front of a petal.

Oppositisepalous (a.) Placed in front of a sepal.

Oppositive (a.) Capable of being put in opposition.

Oppressed (imp. & p. p.) of Oppress

Oppressing (p. pr. & vb. n.) of Oppress

Oppress (v. t.) To impose excessive burdens upon; to overload; hence, to treat with unjust rigor or with cruelty.

Oppress (v. t.) To ravish; to violate.

Oppress (v. t.) To put down; to crush out; to suppress.

Oppress (v. t.) 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.

Oppression (n.) The act of oppressing, or state of being oppressed.

Oppression (n.) That which oppresses; a hardship or injustice; cruelty; severity; tyranny.

Oppression (n.) A sense of heaviness or obstruction in the body or mind; depression; dullness; lassitude; as, an oppression of spirits; an oppression of the lungs.

Oppression (n.) Ravishment; rape.

Oppressive (a.) Unreasonably burdensome; unjustly severe, rigorous, or harsh; as, oppressive taxes; oppressive exactions of service; an oppressive game law.

Oppressive (a.) Using oppression; tyrannical; as, oppressive authority or commands.

Oppressive (a.) Heavy; overpowering; hard to be borne; as, oppressive grief or woe.

Oppressor (n.) One who oppresses; one who imposes unjust burdens on others; one who harasses others with unjust laws or unreasonable severity.

Oppressure (n.) Oppression.

Opprobrious (a.) Expressive of opprobrium; attaching disgrace; reproachful; scurrilous; as, opprobrious language.

Opprobrious (a.) Infamous; despised; rendered hateful; as, an opprobrious name.

Opprobrium (n.) Disgrace; infamy; reproach mingled with contempt; abusive language.

Opprobry (n.) Opprobrium.

Oppugned (imp. & p. p.) of Oppugn

Oppugning (p pr. & vb. n.) of Oppugn

Oppugn (v. t.) To fight against; to attack; to be in conflict with; to oppose; to resist.

Oppugnancy (n.) The act of oppugning; opposition; resistance.

Oppugnant (a.) Tending to awaken hostility; hostile; opposing; warring.

Oppugnant (n.) An opponent.

Oppugnation (n.) Opposition.

Oppugner (n.) One who opposes or attacks; that which opposes.

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