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How to Say ‘No problem.’ in Japanese

いいよ。

ii yo

[ee yoh]

💬 Usage Tip: [いいよ] is casual reassurance: “It’s fine/No worries.” Polite version: [いいですよ].

🇯🇵 In Japan: Saying [いいよ] can signal friendliness, but in formal settings you’d usually choose [大丈夫です] or [問題ありません].

Phrase Breakdown

いい

ii

[ee]

good; OK; fine

Here it means “OK / Sure” in a casual, friendly way.

Example

いいよ。田中さんもCCに入れるね。

Sure. I’ll add Tanaka to the CC too.

yo

[yoh]

(sentence-ending particle)

Adds emphasis/assurance; makes the statement sound like “OK, you know / I tell you.”

Example

いいよ。任せて。

Sure. Leave it to me.

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