悶 mēnmèn HSK7 gloomy Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: airtight All meanings 9 mēn 6 stuffy 4smother 2mèn 3 depressed 2airtight 1 1 sentence for 悶 (mèn — airtight) 由于窗户全都关着,屋子里感觉特别闷。 yóuyú chuānghu quán dōu guān zhe, wūzi lǐ gǎnjué tèbié mèn. Since all the windows are closed, the room feels particularly stuffy. Source: Dong Chinese Dictionary