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1. The action of opposing something that you disapprove or disagree with
   "despite opposition from the newspapers he went ahead"
   - resistance
    
2. The relation between opposed entities
   - oppositeness
    
3. The act of hostile groups opposing each other
   "the invaders encountered stiff opposition"
   - confrontation
    
4. A contestant that you are matched against
   - opponent, opposite
    
5. A body of people united in opposing something
    
6. A direction opposite to another
    
7. An armed adversary (especially a member of an opposing military force)
   - enemy, foe, foeman [archaic]

1. The major political party opposed to the party in office and prepared to replace it if elected
   "Her Majesty's loyal opposition"

Derived forms: oppositions

See also: oppose

Type of: action, adversary, antagonist, body, contestant, direction, opponent, opposer, party, political party, relation, resistance, resister

Part of: enemy

Encyclopedia: Opposition