不高兴 bùgāoxìng unhappy 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高兴 高興 gāoxìng adjective happy happy; glad; in a cheerful or excited mood