おやすみ

oyasumi
interjectionBeginner
informal

Good night (used when leaving or going to bed)

今から寝るから、おやすみ。

I'm going to sleep now, good night.

もう遅いから、おやすみなさい。

It's late, so good night.

💡

Used when saying goodbye to someone who is staying or going to bed. The more formal version is 'おやすみなさい'.

Collocations

おやすみなさいgood night (polite)おやすみgood night (casual)

Synonyms

Related Phrases

おやすみなさいなphrase
good night (polite, feminine)

💡Pro Tip

Formal vs. Casual

Use 'おやすみなさい' with elders, superiors, or in formal settings. 'おやすみ' is more casual and used with friends or family.

📖Word Origin

From the verb '休む' (yasumu) meaning 'to rest' or 'to sleep', with the honorific prefix 'お'.

📝Usage Notes

'おやすみ' is the casual form, while 'おやすみなさい' is the polite form. Both are used when leaving someone who is staying or going to bed.

Word Breakdown

honorific prefix
prefix
+
休み
rest, sleep
root
和英辞典