Synonyms of undoubted in English:

undoubted


See US English definition of undoubted

See UK English definition of undoubted

See Spanish definition of indudable

adjective

1‘there has been an undoubted improvement in VDU design’

SYNONYMS
undisputed, uncontested, unchallenged, unquestioned, not in question, unquestionable, indubitable, not in doubt, incontrovertible, irrefutable, incontestable, unequivocal, sure, certain, obvious, evident, unmistakable, transparent, manifest, patent
definite, confirmed, accepted, acknowledged, recognized, positive, clear-cut
ANTONYMS

doubtful, possible