by return mail

idiom

US
: immediately by mail
Fill out the enclosed form and send it back by return mail.

Dictionary Entries Near by return mail

by return

by return mail

by return of post

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Cite this Entry

“By return mail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20return%20mail. Accessed 21 Nov. 2024.

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