Added 10 October 2026 unverifiable adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about unverifiable at Wordnik → Where our words come from → (of e.g. evidence) not objective or easily verified. Related Words: unobjectivesubjectiveuncontrolleduncontrollablenonverifiableuntestableunverifiedunprovableuncheckableunconfirmableunproveableundisprovable Back to today's word