doubtless Antonyms

scarcely likely unimaginably unconvinced riskily on the fence not likely in two minds unsure hinky highly unlikely highly improbable really unlikely pretty unlikely not very likely not the most likely much more unlikely more unlikely hardly likely hardly believable very unlikely defo iffy indecisive incredulous hesitant fishy equivocating equivocal dubious doubtful indefinite insecure plausibly without a doubt unresolved by no means ambivalent unlikely uncertain questionable probably diffident