(ש"ע) מתנגד; יריב

n. one who is opposed; adversary; enemy

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Noun
1. someone who offers opposition
(synonym) adversary, antagonist, opponent, resister
(hypernym) person, individual, someone, somebody, mortal, human, soul
(hyponym) dueler, dueller, duelist, duellist
(derivation) react, oppose

v. oppose, put up; demur, interrupt; collide, interpose; discountenance

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

     propose