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ううん

ūun
interjection★Intermediate
informal

An informal way of saying 'no' or 'not really', often used in casual conversations among friends or peers.

ううん、行かないよ。

No, I'm not going.

💡

Usually used in casual settings and not suitable for formal situations.

Synonyms

Antonyms

💡Pro Tip

Usage in Casual Conversations

Use 'ううん' in casual conversations with friends or peers to express a casual 'no'.

📖Word Origin

A casual, contracted form of 'ういいえ' (uuie) or 'ううん、いいえ' (ūun, iie).

📝Usage Notes

Be cautious with the usage as it can come off as rude or dismissive in formal or professional settings.

✎ Noted on May 23, 2026JA → EN

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