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

Cite this Entry

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!