愚ぐ昧まい

na-adjective, noun

stupid; foolish; ignorant

A formal, somewhat literary term for a lack of intelligence or knowledge. Often used in written or critical contexts.

• 彼かれの愚ぐ昧まいな発はつ言げんに皆みなが呆あきれた。

  Everyone was astonished by his foolish remarks.

• その政せい策さくは国こく民みんを愚ぐ昧まいと見みなしている。

  That policy treats the people as ignorant.