痴呆 (ci1 ngoi4) — dull-witted, stupid, slow in Cantonese
ciˉ¹痴ngoiˎ₄呆Mandarin Pinyin: chi1 dai1
Meaning of 痴呆
noundull-witted, stupid, slow
noundementia [medical] [Var.] 癡呆
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