RichThesaurus
not in the least likely
not in the least likely
synonyms
unimaginable
unthinkable
preposterous
beyond belief
impossible
unimagined
scarcely credible
incredible
inconceivable
unbelievable
absurd
hard to swallow
hard to believe
unheard of
trifling
lame
fantastic
paltry
unconvincing
ridiculous
astonishing
transparent
extremely doubtful
unsound
poor
staggering
half-baked
far-fetched
out of the question
fictitious
hard to take
tame
questionable
breathtaking
mind-boggling
strained
shallow
tall
unrealistic
thin
feeble
weak
extremely difficult to believe
pathetic
phenomenal
cock and bull
unsatisfactory
labored
fanciful
highly unlikely
more synonyms
not in the least likely
antonyms
likely
believable