avenge /əˈvɛnd͡ʒ/verb 4noun 1forms 5 verb4 •To take vengeance (for); to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer.Avenge O Lord thy slaughter'd Saints, whose bones / Lie scatter'd on the Alpine mountains cold, — 1673 •[with oneself] To revenge oneself (on or upon someone). •(no longer used) To take vengeance.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 •(no longer used) To treat revengefully; to wreak vengeance on.thy judgment in avenging thine enemies — 1609 noun1 •(no longer used) An act of vengeance; a revenge. formsavenged · avenging · avenges · avengeth · avengest