[n] the action of opposing something that you disapprove or disagree with; "he encountered a general feeling of resistance from many citizens"; "despite opposition from the newspapers he went ahead"
[n] the act of opposing groups confronting each other; "the government was not ready for a confrontation with the unions"; "the invaders encountered stiff opposition"
[n] a body of people united in opposing something
[n] a political party opposed to the party in power and prepared to replace it if elected; "Her Majesty's Loyal Opposition"
[n] an armed adversary (especially a member of an opposing military force); "a soldier must be prepared to kill his enemies"
[n] a contestant that you are matched against
[n] a direction opposite to another
[n] the relation between opposed entities