Added 10 October 2026 indefensible adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). More about indefensible at Wordnik → Where our words come from → Not defensible; not capable of being defended. Not capable of being justified or excused. Incapable of being explained. Related Words: untenableunjustifiableunwarrantableinexcusableunwarrantedinsupportableunreasonableunpardonableimpossibleunforgivableunviableinadmissible Back to today's word