Synonyms: undeniable
Definition: not possible to deny
Similar words: undisputable, incontestable, indisputable
Definition: not open to question; obviously true
Usage: undeniable guilt; indisputable evidence of a witness
Similar words: incontrovertible, positive, irrefutable
Definition: impossible to deny or disprove
Usage: incontrovertible proof of the defendant's innocence; proof positive; an irrefutable argument