幽怨 yōuyuàn hidden bitterness Definitions Defs Origin Strokes Stroke Words Sentences Sents 幽 yōu secretive (bound form) secret; hidden; kept in one's heart怨 yuàn nounverb resentment (bound form) Resentment, hatred, or a grudge; often used in words like 抱怨 bàoyuàn and 怨恨 yuànhèn