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How to Say ‘It’s not working / It’s no good.’ in Japanese

だめです

dame desu

[dah-meh deh-soo]

💬 Usage Tip: [だめです] is a polite-ish way to say it doesn’t work. For very polite: [だめでした] (wasn’t working) or [使えません].

🇯🇵 In Japan: Service staff may mirror your level: if you use [です], they’ll usually respond politely too.

Phrase Breakdown

だめ

dame

[dah-meh]

not working; no good

Casual word だめ used in a more polite sentence with です. Common in conversation with building staff.

Example

給湯器がだめです。

The water heater isn’t working.

です

desu

[deh-soo]

is (polite)

Polite copula. Makes the statement sound more polite than just だめ.

Example

シャワーもだめです。

The shower doesn’t work either.

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