by return (of post)

by return (of post)

Through prompt mail correspondence back to the sender. Primarily heard in UK. Please indicate your interest in this offer by return of post.
See also: by, return
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

by reˈturn (of ˈpost)

(British English) using the next available post; as soon as possible: Please reply by return of post.
See also: by, return
Farlex Partner Idioms Dictionary © Farlex 2017
See also: