郁塞 yùsè pent-up Origin Definitions Defs Strokes Stroke Words Sentences Sents 郁 鬱 yù pent-up (bound form) pent-up; accumulated; stagnant; clogged (referring to gases, feelings, or heat in the body)塞 sè verb to block (bound form) to block or obstruct; to be hindered; used in formal compounds and idioms like 茅塞顿开 máosèdùnkāi