Added 10 October 2026 backtalk /ˈbæk.tɔːk/ noun Categories: LanguageObscure Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about backtalk at Wordnik → Where our words come from → An impudent or insolent rejoinder. don't give me any of your sass Origin From back + talk. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: sasslipmouthsassingback-chatbackchatcounterspeechtalking-toclapback Back to today's word