不耐烦 bùnàifán HSK5 impatient Origin Definitions Defs 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耐烦 耐煩 nàifán adjective patient patient; able to bear annoyance or bother; often used in the negative to mean impatient