Synonyms for opposition

noun

• the act of hostile groups opposing each other
• an armed adversary (especially a member of an opposing military force)
• the action of opposing something that you disapprove or disagree with
• a contestant that you are matched against
• the relation between opposed entities
• a body of people united in opposing something
• a direction opposite to another
• the major political party opposed to the party in office and prepared to replace it if elected