Source : Webster's Revised Unabridged Dictionary (1913)

Oppose \Op*pose"\, v. i.
   1. To be set opposite. --Shak.

   2. To act adversely or in opposition; -- with against or to;
      as, a servant opposed against the act. [Obs.] --Shak.

   3. To make objection or opposition in controversy.

Oppose \Op*pose"\, v. t. [imp. & p. p. {Opposed}; p. pr. & vb.
   n. {Opposing}.] [F. opposer. See {Ob-}, {Pose}, and cf.2d
   {Appose}, {Puzzle}, n. Cf.L. opponere, oppositum.]
   1. To place in front of, or over against; to set opposite; to
      exhibit.

            Her grace sat down . . . In a rich chair of state;
            opposing freely The beauty of her person to the
            people.                               --Shak.

   2. To put in opposition, with a view to counterbalance or
      countervail; to set against; to offer antagonistically.

            I may . . . oppose my single opinion to his.
                                                  --Locke.

   3. 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.

   4. To compete with; to strive against; as, to oppose a rival
      for a prize.

            I am . . . too weak To oppose your cunning. --Shak.

   Syn: To combat; withstand; contradict; deny; gainsay; oppugn;
        contravene; check; obstruct.

Source : WordNet®

oppose
     v 1: be against; express opposition to; "We oppose the ban on
          abortion"
     2: fight against or resist strongly; "The senator said he would
        oppose the bill"; "Don't fight it!" [syn: {fight}, {fight
        back}, {fight down}, {defend}]
     3: oppose with equal weight or force [syn: {counterbalance}]
     4: set into opposition or rivalry; "let them match their best
        athletes against ours"; "pit a chess player against the
        Russian champion"; "He plays his two children off against
        each other" [syn: {pit}, {match}, {play off}]
     5: act against or in opposition to; "She reacts negatively to
        everything I say" [syn: {react}]
     6: be resistant to; "The board opposed his motion" [syn: {controvert},
         {contradict}]