Definition of "avenge"

avenge

/əˈvɛnd͡ʒ/

verb
third-person singular simple present avenges, present participle avenging, simple past and past participle avenged
1. (transitive) To take vengeance (for); to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.
  Quotations
  Avenge O Lord thy ſlaughter'd Saints, whoſe bones / Lie ſcatter'd on the Alpine mountains cold,
  1673, John Milton, “[Sonnet] XV. On the late Massacher in Piemont.”, in Poems, &c. upon Several Occasions, London: […] Tho[mas] Dring […], page 58
  Father, today I will avenge your death.
  1984, 2:01:42 from the start, in Dune‎ (Science Fiction), spoken by Paul Atreides
2. (reflexive) To revenge oneself (on or upon someone).
3. (intransitive, obsolete) To take vengeance.
  Quotations
  Thou shalt not auenge nor beare any grudge against the children of thy people, but thou shalt loue thy neighbor as thy selfe: I am the Lord.
  1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Leviticus 19:18
4. (transitive, archaic) To treat revengefully; to wreak vengeance on.
  Quotations
  thy judgment in avenging thine enemies
  1609, Bishop Hall, Some few of David's Psalmes Metaphrased
noun
plural avenges
1. (archaic) An act of vengeance; a revenge.