1.
reply; response; answering a message
A written or electronic reply to a message, email, or letter. The act of sending such a reply.
メールに返信する。
To reply to an email.
返信が遅くなってすみません。
Sorry for the late reply.
メッセージを送ったのに一週間たっても返信が来なくて心配している。
I sent a message but haven't received a reply even after a week, so I'm worried.
Compound of 返 (return) + 信 (message, letter). Used as a suru-verb: 返信する (to reply).
COMMON COLLOCATIONS:
- 返信する (to reply)
- 返信が来る (a reply arrives)
- 返信が遅い (a reply is late)
- 返信をもらう (to receive a reply)
- ご返信 (polite: your reply)
USAGE NOTE:
Not to be confused with the homophone 変身 (transformation). 返信 specifically refers to replying to correspondence. For replying in general conversation, 返事 is more common. 返答 is more formal and used for answering questions directly.