おやすみ

oyasumi
phraseBeginner💡 good night

今夜は早くおやすみなさい

Go to bed early tonight

informal

A polite way to say 'good night' when someone is going to sleep or leaving for the night

おやすみなさい、また明日ね

Good night, see you tomorrow

疲れたから、今日は早くおやすみする

I'm tired, so I'll go to bed early tonight

💡

This phrase is commonly used in both formal and informal contexts when saying good night. The more formal version is 'おやすみなさい' (oyasumi nasai), while the casual version is 'おやすみ' (oyasumi).

Related Phrases

おやすみなさいphrase
good night (formal)
おやすみなさーいphrase
good night (very casual, often used with children or close friends)

💡Pro Tip

Formal vs. Casual

Use 'おやすみなさい' (oyasumi nasai) in formal situations or with people you respect, such as elders or superiors. Use the shorter 'おやすみ' (oyasumi) with family, friends, or in casual settings.

Gold Rule

Politeness

Always use the polite form when addressing someone you are not very close with, even at night.

📖Word Origin

Derived from the verb '休む' (yasumu) meaning 'to rest' or 'to sleep', with the honorific prefix 'お' (o-) added for politeness.

📝Usage Notes

The phrase is used when someone is going to bed or when parting ways at night. It can be used with family, friends, or colleagues, depending on the level of formality.

Word Breakdown

honorific prefix
prefix
+
やすみ
rest, sleep
root
和英辞典