不愧 bùkuì to be worthy of Definitions Defs Origin Strokes Stroke Words Sentences Sents 不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings愧 kuì adjective ashamed (bound form) ashamed; conscience-stricken; feeling regret for a mistake or failure to fulfill a responsibility