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おやすみ
oyasumi
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
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
お
honorific prefix
prefixやすみ
rest, sleep
root和英辞典