To vindicate by inflicting pain or evil on the wrong-doer; execute justice or vengeance on behalf of: with a person as object.To take satisfaction for, by pain or punishment inflicted on the injuring party; deal punishment on account of: with a thing as object.To take revenge on; treat or deal with revengefully.Synonyms Avenge, Revenge. Until lately these words were used with little or no difference of meaning (see quotations under each). Avenge is now restricted to the taking of just punishment or the vindication of justice, and revenge to the infliction of pain or evil to gratify resentful feelings, or the desire of retaliation for some real or fancied wrong. Poetic use sometimes returns to the earlier freedom in the meaning of avenge. see revenge, n.To execute vengeance; inflict retaliatory pain or injury on a wrong-doer.n. Revenge; retaliation.n. Punishment; vengeance taken.