avengeressEtymologyFrom avenger + -ess. Compare Middle English vengeresses pl, vengerisse pl, vengerousses pl, veniouresse, veynjowresse, from Anglo-Norman vengeresse, vengerresse.avengeress means A female avenger. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA female avenger.“That cruell Queene avengeresse”