noun
a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other; "to him the antonym of ′gay′ was ′depressed′"
a relation of direct opposition; "we thought Sue was older than Bill but just the reverse was true"
a contestant that you are matched against
something inverted in sequence or character or effect; "when the direct approach failed he tried the inverse"
adj
being directly across from each other; facing; "And I on the opposite shore will be, ready to ride and spread the alarm"- Longfellow; "we lived on opposite sides of the street"; "at opposite poles"
of leaves etc; growing in pairs on either side of a stem; "opposite leaves"
moving or facing away from each other; "looking in opposite directions"; "they went in opposite directions"
the other one of a complementary pair; "the opposite sex"; "the two chess kings are set up on squares of opposite colors"
altogether different in nature or quality or significance; "the medicine′s effect was opposite to that intended"; "it is said that opposite characters make a union happiest"- Charles Reade
characterized by opposite extremes; completely opposed; "in diametric contradiction to his claims"; "diametrical (or opposite) points of view"; "opposite meanings"; "extreme and indefensible polar positions"