'opposition' definitions:

Definition of 'opposition'

(from WordNet)
noun
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" [syn: resistance, opposition]
noun
The relation between opposed entities [syn: opposition, oppositeness]
noun
The act of hostile groups opposing each other; "the government was not ready for a confrontation with the unions"; "the invaders encountered stiff opposition" [syn: confrontation, opposition]
noun
A contestant that you are matched against [syn: opposition, opponent, opposite]
noun
A body of people united in opposing something
noun
A direction opposite to another
noun
An armed adversary (especially a member of an opposing military force); "a soldier must be prepared to kill his enemies" [syn: enemy, foe, foeman, opposition]
noun
The major political party opposed to the party in office and prepared to replace it if elected; "Her Majesty's loyal opposition"

Synonyms of 'opposition'

From: Moby Thesaurus