See also: arnaqué French Etymology From arnaquer. See also variant arnache. Pronunciation IPA(key): /aʁ.nak/ Audio:(file) Noun arnaque f (plural arnaques) (colloquial) con, rip-off, swindling Verb arnaque inflection of arnaquer: first/third-person singular present indicative/subjunctive second-person singular imperative Further reading “arnaque”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012. Wikiwand - on Seamless Wikipedia browsing. On steroids.