opposition

noun

1 the proposal met with considerable opposition:

resistance, hostility, antagonism, antipathy, enmity, objection, dissent, criticism, defiance, noncompliance, obstruction, obstructiveness, counteraction;

dislike, disapproval, demurral.

2 the home team made short work of the opposition:

opponents, opposing side, other side, other team, competition, competitors, opposers, rivals, adversaries, antagonists, enemies;

literary foes.

3 the opposition between the public and the private domains:

conflict, clash, difference, contrast, disparity, antithesis, polarity.