n. [ F., fr. L. oppositio. See Opposite. ] 1. The act of opposing; an attempt to check, restrain, or defeat; resistance. [ 1913 Webster ]
The counterpoise of so great an opposition. Shak. [ 1913 Webster ]
Virtue which breaks through all opposition. Milton. [ 1913 Webster ]
2. The state of being placed over against; situation so as to front something else. Milton. [ 1913 Webster ]
3. Repugnance; contrariety of sentiment, interest, or purpose; antipathy. Shak. [ 1913 Webster ]
4. 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. [ 1913 Webster ]
5. (Astron.) 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 &unr_;; as, &unr_; &jupiter_; &sun_;, opposition of Jupiter to the sun. [ 1913 Webster ]
6. (Logic) 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. [ 1913 Webster ]