opposer

op·pose

O0098500 (ə-pōz′)v. op·posed, op·pos·ing, op·pos·es v.tr.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.3. 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.v.intr. To be or act in opposition.Idiom: as opposed to In contrast to: "a Baroque violin that ... uses gut strings as opposed to metal-wound ones" (William Zagorski).

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[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).]

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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.

Thesaurus

Noun

1.

opposer - someone who offers opposition adversary, antagonist, opponent, resisterindividual, 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 duelsfoe, 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 progresswithstander - an opponent who resists with force or resolution; "obstinate withstanders of innovation"

opposer

nounOne that opposes another in a battle, contest, controversy, or debate:adversary, antagonist, opponent, opposition, oppositionist, resister.

Translations

oppositore