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v. op·posed, op·pos·ing, op·pos·es
1. To be or act in contention or conflict with: opposed their crosstown rivals in the season finale.
2. To be hostile or resistant to; try to prevent: opposes the building of a new police station.
a. To set as an opposite in position: opposed the painting with a mirror across the room.
b. To present in counterbalance or contrast: ideas that were opposed to each other in her first book.
To be or act in opposition.
as opposed to
In contrast to: "a Baroque violin that ... uses gut strings as opposed to metal-wound ones" (William Zagorski).

[Middle English opposen, to question, interrogate, from Old French opposer, alteration (influenced by poser, to place) of Latin oppōnere, to oppose (ob-, against; see ob- + pōnere, to put; see apo- in Indo-European roots).]

op·pos′er n.
Synonyms: oppose, fight, combat, resist, contest
These verbs mean to try to thwart or defeat someone or prevent or nullify something. Oppose has the widest application: opposed the building of a nuclear power plant. "The idea is inconsistent with our constitutional theory and has been stubbornly opposed ... since the early days of the Republic" (E.B. White).
Fight and combat suggest vigor and aggressiveness: "All my life I have fought against prejudice and intolerance" (Harry S. Truman)."We are not afraid ... to tolerate any error so long as reason is left free to combat it" (Thomas Jefferson).
To resist is to strive to fend off or offset the actions, effects, or force of: "Pardon was freely extended to all who had resisted the invasion" (John R. Green).
To contest is to call something into question and take an active stand against it: contested her neighbor's claims to her property in court.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.opposer - someone who offers oppositionopposer - someone who offers opposition  
individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"
dueler, duelist, dueller, duellist - a person who fights duels
foe, foeman, enemy, opposition - an armed adversary (especially a member of an opposing military force); "a soldier must be prepared to kill his enemies"
Luddite - any opponent of technological progress
withstander - an opponent who resists with force or resolution; "obstinate withstanders of innovation"


One that opposes another in a battle, contest, controversy, or debate:
References in classic literature ?
We give the fact as it occurs in Bannatyne's Journal, only premising that the Journalist held his master's opinions, both with respect to the Earl of Cassilis as an opposer of the king's party, and as being a detester of the practice of granting church revenues to titulars, instead of their being devoted to pious uses, such as the support of the clergy, expense of schools, and the relief of the national poor.
And, indeed, to own the truth, I do not think nurse, in her heart, is a very strenuous opposer of Sir Walter's making a second match.
THE more candid opposers of the provision respecting elections, contained in the plan of the convention, when pressed in argument, will sometimes concede the propriety of that provision; with this qualification, however, that it ought to have been accompanied with a declaration, that all elections should be had in the counties where the electors resided.
Quick as lightning the half-breed sprang for a window, tore his way through all opposers, and was gone!
He had awaited, with an impatience which his long practised restraint could with difficulty subdue, for the moment to arrive when he might proceed to execute the wishes of the great chief, without whose approbation and powerful protection he would not have dared to undertake a step, that had so many opposers in the nation.
La delegation russe avait prevenu, avant le vote, qu'elle comptait s'y opposer, tout en annoncant la mise aux voix de sa propre resolution, dans un souci d'assurer la continuite des travaux du Groupe d'experts.
Twitter users swooped on the comments, some of them branding Hammond an opposer of the LGBTQ community.
Seren won Best Chairperson of the competition, Evie was named Best Opposer and Best Speaker of the entire competition.
The pro-remainer admitted that she is now "not an opposer of Brexit" despite going "against her conscience" when she voted to trigger Article 50.
Il est donc imperatif de s'y opposer avant qu'il ne soit trop tard
It also approved that they could supplement their previously filed briefs on the motion for summary judgment, but would limit any supplemental briefs to ten pages; stipulated that they forgo reply briefing; declared that the burden of proof to establish opposer Bond's case by a preponderance of the evidence remained on Bond; and that it, the Board, could resolve disputes as to any material fact which the Board might find to exist and could issue a final ruling after considering the parties' ACR submissions.
L'autre rendez-vous qui merite bien d'etre suivi de tres pres est celui devant opposer l'US Biskra au CA Bordj Bou-Arreridj.