noun
idiot; idiocy
Sensitive and potentially offensive term for a foolish person or stupidity. Use with caution; often replaced by milder words in polite conversation.
彼はあんなことをして、まるで白痴だ。
He's such an idiot for doing something like that.
その発言は白痴もいいところだ。
That remark is the height of idiocy.
noun
profound mental retardation
Dated medical term for severe intellectual disability; now considered offensive and replaced by terms like 重度知的障害.
昔の医学書では「白痴」が重度の知的障害を指す用語として使われていた。
In old medical texts, '白痴' was used as a term for profound mental retardation.