foolish; imbecilic; feebleminded
A formal, somewhat literary term for a lack of intelligence or wisdom, often used in historical or critical contexts. Not a casual insult.
That foolish policy plunged the country into crisis.
He went down in history as a feebleminded monarch.
Standard kanji form.
Compound of 暗 (dark, unclear) and 愚 (foolish). The combination suggests a mind clouded by ignorance.