愚 — “Foolish / Folly / Absurdity / Stupid” in Japanese

Master (高手)ぐ, おろ

Radical ⼼ · radical 61 The building block this kanji is filed under

“Foolish / Folly / Absurdity / Stupid” in Japanese is 愚, read gu, oro (ぐ, おろ). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 愚問 (foolish question).

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What does 愚 mean?

Full details, readings & example

Kanji	愚
Meaning	Foolish / Folly / Absurdity / Stupid
Readings	ぐ, おろ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	愚問 (foolish question)

How to read 愚

愚 is read gu (ぐ) or oro (おろ) depending on the word.

Words with 愚

愚か

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Updated: 2026-08-28