愚昧 ぐまい Meanings な-adjective, Noun stupid Kanji 愚 foolish. Read as グ. 昧 dim. Read as マイ. Words containing 愚昧 凡庸愚昧 (ぼんようぐまい) ordinary and ignorant 無知愚昧 (むちぐまい) unenlightened Jinuma: Japanese Dictionary · Word lists