adj. 25B6; adjective INDISPUTABLE, undeniable, unquestionable, incontrovertible, incontestable, beyond question, beyond doubt; conclusive, definite, definitive, decisive, certain, positive.
IRREFUTABLE
Meaning of IRREFUTABLE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012