avenge
verbNAmE//əˈvɛndʒ//
(formal)Verb Forms present simple I / you / we / they avenge he / she / it avenges
past simple avenged
-ing form avenging
Grammaravenge / revengeAvenge is a verb;revenge is (usually) a noun.People avenge something, or avenge themselves on someone:She vowed to avenge her brother’s death. He later avenged himself on his wife’s killers.You take revenge on a person.In literary or old-fashioned English, revenge can also be a verb. People revenge themselves on someone or are revenged on them (with the same meaning):He was later revenged on his wife’s killers.You cannot revenge something:She vowed to revenge her brother’s death.See avenge in the Oxford Advanced Learner's Dictionary
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