revenge
noun
°Any form of personal retaliatory action against an individual, institution, or group for some perceived harm or injustice.
"Indifference is the sweetest revenge."
verb
°To take one's revenge (on or upon) someone.
"I will revenge myself upon you!"
°To take revenge for (a particular harmful action), to avenge.
"Arsenal revenged its loss to Manchester United last time with a 5-0 drubbing this time."
synonyms: payback