doubtless Antonyms

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