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How to Say ‘Of course’ in Japanese

もちろんです

mochiron desu

[moh-chee-rohn dess]

💬 Usage Tip: [もちろんです] is a polite way to say “of course.” The [です] makes it sound neat and friendly.

🇯🇵 In Japan: Japanese replies often aim to sound reassuring and smooth. [もちろんです] feels warm without sounding too strong.

Phrase Breakdown

もちろん

mochiron

[moh-chee-rohn]

of course; certainly

A polite and friendly way to strongly agree or give permission.

Example

もちろん、手伝います。

Of course, I will help.

です

desu

[dess]

is; polite ending

Makes the response polite and complete.

Example

大丈夫です。

It is okay.

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