incontrovertibleimpossible to deny or dispute; unquestionableThe DNA evidence provided incontrovertible proof of the suspect's presence at the scene.NoteThe DNA evidence provided incontrovertible proof of the suspect's presence at the scene.Elon.io is an online learning platformWe have an entire course teaching GRE Verbal — Essential Vocabulary grammar and vocabulary.Start learning GRE Verbal — Essential Vocabulary now