probably Antonyms

absurdly unimaginably unthinkably 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 scarcely likely unattainably not likely doubtfully doubtless fantasticly implausible impracticably incogitable incredibly unlikely unbelievably come hell or high water when Hell freezes over exceptionally implausibly improbably not for all the tea in china