noun

1. Any form of personal retaliatory action against an individual, institution, or group for some alleged or perceived harm or injustice.

   “Indifference is the sweetest revenge.”

2. A win by a previous loser.

Synonyms: payback, wreak

verb

1. To take revenge for (a particular harmful action) or on behalf of (its victim); to avenge.

   “Arsenal revenged its loss to Manchester United last time with a 5–0 drubbing this time.”

2. To take one's revenge (on or upon someone).

3. To take vengeance; to revenge itself.