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Japanese dictionary

How to say "Good night" in Japanese

おやすみなさい · oyasuminasai

"Good night" in Japanese is おやすみなさい (oyasuminasai). With family and friends, おやすみ (oyasumi) is common.

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Ways to say "Good night" in Japanese

JapaneseWhen to use it
おやすみなさい · oyasuminasaiGood night (polite).
おやすみ · oyasumiGood night (casual).
おつかれさまでした · otsukaresama deshitaGood night (to coworkers when leaving work).

How to use it

When leaving the office at night, coworkers say お疲れさまでした rather than おやすみなさい.

おやすみなさい literally means "please rest."

Example sentences

Questions

What do you say to coworkers when leaving at night?

Say お疲れさまでした (otsukaresama deshita) or お先に失礼します. おやすみなさい sounds too personal at work.

What does おやすみなさい literally mean?

It comes from 休む (yasumu, to rest), so it means "please rest."

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