From Longman Dictionary of Contemporary Englishunbelievableun‧be‧liev‧a‧ble /ˌʌnbəˈliːvəbəl◂/ ●○○ adjective1SURPRISEDvery good, successful, or impressive syn amazingThe opportunities are unbelievable.an unbelievable talent2very bad or shocking syn terribleThe pain was unbelievable.acts of unbelievable crueltyIt was unbelievable that we were expected to pay twice.3so extreme that it hardly seems possibleHe’s so lazy it’s unbelievable.an unbelievable speed► see thesaurus at surprising4BELIEVEvery difficult to believe and therefore probably untrueYvonne’s excuse for being late was totally unbelievable. —unbelievably adverban unbelievably bad movie
Examples from the Corpus
unbelievable• The story of another girlisolated at school because she is from a foreign country is at first comforting, then unbelievable.• The things he had heard about her were almost unbelievable.• It's unbelievable how nasty people can be.• It creates an unbelievablepathos for Tithonus.• Sometimes I wonder now whether I dreamed some of it, so much was just unbelievable, so grotesque.• He has unbelievabletalent.• It is unbelievable that a very complex form could just come into existence out of nothing.• I find it unbelievable that Mr. Carey does not remember the meeting at all.• I find it unbelievable that Mr. Carvey has no memory of that day.• It's just so unbelievable that she's so poorly.• It was unbelievable, the demographics.• Plastic and unbelievable though the characters may be, yet realistic and true to life are the humantemptations and struggles involved.• Even more unbelievable to Etherton was that there was no privatephotographygallery in this photography-rich city.It was unbelievable that• They were equally amazed at her. It was unbelievable that she was only the same age as many of them.