愚(おろ)か

おろか

na-adjective

foolish; stupid; silly

1. foolish; stupid; unwise

Lacking good judgment or sense; acting in an ill-considered or thoughtless manner. Often describes actions or decisions rather than inherent intelligence.

愚(おろ)かな間違(まちが)いを犯(おか)してしまった。

I made a foolish mistake.

彼(かれ)の行動(こうどう)は愚(おろ)かだった。

His actions were foolish.

愚(おろ)かにも、警告(けいこく)を無視(むし)してしまった。

Foolishly, I ignored the warning.

FORMS (as na-adjective):

愚(おろ)かな + noun (愚(おろ)かな行為(こうい) - a foolish act)
愚(おろ)かだ (predicative form)
愚(おろ)かに (愚(おろ)かにも - foolishly)

Usage

Commonly modifies actions, decisions, or behaviors rather than people directly:

愚(おろ)かな行為(こうい)/行動(こうどう) (foolish action/behavior)
愚(おろ)かな判断(はんだん) (unwise judgment)
愚(おろ)かな考(かんが)え (foolish thinking)

Common patterns

愚(おろ)かにも〜 - foolishly did ~
This pattern emphasizes regret or self-criticism for an unwise action.

Related words

愚(おろ)かさ (noun form - foolishness)
愚(ぐ) (foolishness, in compounds like 愚痴(ぐち))

Similar words

ばか (stupid, foolish - more casual/direct)
馬鹿(ばか)げた (ridiculous, absurd)
浅(あさ)はか (shallow-minded, thoughtless)

Related Words

Synonym: ばか (stupid (casual))

Compare: 浅(あさ)はか (shallow-minded, thoughtless)

Compare: 愚(おろ)か者(もの) (fool)

Compare: 馬鹿(ばか)げる (ridiculous, absurd)

general

Added 2026.1.18 13:19 · Revised 2026.10.5 21:30

06500/06676_oroka