# by return of post

> English word · Prep_phrase

## Definitions
1. Replying in the next available mail delivery.
2. Replying immediately or as soon as possible.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/by-return-of-post