- The principle of retributive justice.
- A righteous infliction of retribution manifested by an appropriate agent.
- (chiefly non-North American usage) A person or character who specifically brings about the downfall of another person or character
- The polar opposite of a character.
- (chiefly Canada, US) An archenemy
- (usually in the singular, formal) A punishment or defeat that is deserved and cannot be avoided.