(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface; "the more remote the body the less the gravity"; "the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"; "gravitation cannot be held responsible for people falling in love"--Albert Einstein
of leaves etc; growing in pairs on either side of a stem; "opposite leaves"
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
the other one of a complementary pair; "the opposite sex"; "the two chess kings are set up on squares of opposite colors"
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"
moving or facing away from each other; "looking in opposite directions"; "they went in opposite directions"