愚か (Oroka) is a Japanese na-adjective meaning “foolish, stupid, silly”.
Meanings
- na-adjectivefoolish; stupid; silly
Examples
小金に賢く大金に愚か。
Penny wise, pound foolish.
彼は、全く愚かではない。
He is not at all foolish.
彼は自分の愚かさを恥じた。
He blushed at his folly.
Sentences from Tatoeba (CC BY 2.0 FR).