Added 9 October 2026 quenchless adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about quenchless at Wordnik → Where our words come from → Impossible to quench. unquenchable thirst Related Words: unquenchableinsatiateunsatiableinsatiableevermoreunquenchingunquellableunsmotherableunquashableunquenchednonquenchedunstillable Back to today's word