In a way that is very surprising or difficult to believe: Unbeknownst unbelief unbelievable unbelievably unbeliever unbelieving unbelligerent Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Definition of unbelievably adverb in oxford advanced learner's dictionary.
In a manner that is hard to believe; Unbelievably adv adv with cl/group (=incredibly) our car was still going unbelievably well., he beamed: He's worked unbelievably hard and he has very carefully earned people's respect. See examples of unbelievably used in a sentence.
`unbelievably, we have now made it to the final twice.' In a way that is very surprising….