愚 JLPT N1 Kanji 愚 — foolish, folly, absurdity, stupid JLPT N1 13 strokes Secondary (Jōyō) Radical 心 #1551 most frequent Readings On'yomiグ Kun'yomiおろ.か Example words 愚痴ぐち(1) idle complaint; grumble (2) moha (ignorance, folly) 愚かおろかfoolish; stupid