feeble-mindedness; intellectual disability
Dated and sensitive term formerly used in legal and medical contexts. Modern Japanese prefers 知的障害 (intellectual disability) or 知的発達障害. Use with caution; may be offensive.
See also: 知的障害
かつて「精神薄弱」という言葉が法律で使われていたが、現在は「知的障害」に改められている。
The term 'seishin hakujaku' was once used in law, but it has now been replaced by 'chiteki shōgai' (intellectual disability).