Added 10 October 2026 contestable adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about contestable at Wordnik → Where our words come from → Capable of being contested. Related Words: challengeabledisputabledebatablemootshakableshakeabledisputedcontroversialcontentiousproblematicquestionabledubious Back to today's word