too painful, annoying, or unpleasant to deal with or accept synonym intolerable The heat was becoming unbearable. unbearable pain He's been unbearable since he won that prize. opposite bearable
NAmE//ʌnˈbɛrəbli//
adverb unbearably hot He was so unbearably smug about winning.See unbearable in the Oxford Advanced Learner's DictionaryCheck pronunciation: unbearable