To take vengeance for; to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.

To treat revengefully; to wreak vengeance on.

Vengeance; revenge.

To take revenge for somebody else. So to avenge a friend who has been killed would be to kill his killer. Back

take revenge for a perceived wrong; "He wants to avenge the murder of his brother"