unlawEtymologyFrom Middle English unlawe, unlaȝ, unlage, from Old English unlagu (“violation of law, illegality, injustice, lawlessness”), equivalent to un- (“lack or absence of”) + law.unlaw means A crime, an illegal action. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA crime, an illegal action.Absence of law; lawlessness.“In regard to abortion we are now lawless. The law of the land is no law at all; that is, unlaw reigns.”A fine exacted from a transgressor of the law.verbTo deprive of the authority or character of law.To put beyond the protection of the law; to outlaw.To fine.