1.Definition: 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"

2.Definition: being directly across from each other; facing

"And I on the opposite shore will be, ready to ride and spread the alarm", "We lived on opposite sides of the street", "At opposite poles"

3.Definition: characterized by opposite extremes; completely opposed

"Diametrical (or opposite) points of view", "Opposite meanings"

Related Adjective(s):diametric, diametrical, polar

4.Definition: moving or facing away from each other

"Looking in opposite directions", "They went in opposite directions"

5.Definition: of leaves etc; growing in pairs on either side of a stem

"Opposite leaves"

Related Adjective(s):paired

6.Definition: the other one of a complementary pair

"The opposite sex", "The two chess kings are set up on squares of opposite colors"