痴呆 Save Sign in to save words On the HSK 7-9 vocabulary list, at CEFR level C2. chīdāi ㄔ ㄉㄞ stupid dull dementia medicine Character by character 痴(chī)imbecile 呆(dāi)foolish A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT