adj. 25B6; adjective UNDISPUTED, unchallenged, unquestioned, indubitable, incontrovertible, irrefutable, incontestable, sure, certain, unmistakable; definite, accepted, acknowledged, recognized.
UNDOUBTED
Meaning of UNDOUBTED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012