喟叹 kuìtàn to sigh with deep feeling Origin Definitions Defs Strokes Stroke Words Sentences Sents 喟 kuì to sigh (bound form) to sigh; to heave a sigh; to lament; also used as a formal or literary descriptive word for the sound or manner of sighing叹 嘆 tàn verb to sigh (bound form) To exhale deeply to express sadness, frustration, or exhaustion; to sigh. Often used in 叹气 tànqì.