無知愚昧 むちぐまい Meanings Noun, な-adjective unenlightened; in the darkest ignorance; not knowing from A to B Kanji 無 without. Read as ム. 知 know 愚 foolish 昧 dim. Read as マイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists