Antonym of dubious

Antonyms of adj dubious

3 senses of dubious

Sense 1:

doubtful, dubious

INDIRECT (VIA uncertain, unsure) -> certain, sure
INDIRECT (VIA uncertain, unsure) -> certain, sure

Sense 2:

doubtful, dubious, dubitable, in question(predicate)

INDIRECT (VIA questionable) -> unquestionable

Sense 3:

dubious

INDIRECT (VIA unconvinced) -> convinced