庸愚 ようぐ Meanings な-adjective, Noun mediocrity; imbecility Kanji 庸 mediocre. Read as ヨウ. 愚 foolish. Read as グ. Words containing 庸愚 凡庸愚昧 (ぼんようぐまい) ordinary and ignorant Jinuma: Japanese Dictionary · Word lists