unsend

verb, noun — 2 senses

unsend

verb

Etymology From un- (“reversal”) + send.

1

Internet To undo, cancel, or reverse the transmission of a message

Messaging; email; messaging; email

To unsend a piece of mail, highlight the mail you wish to unsend and click the Unsend button.1997, Tom Lichty, Jennifer Marx, Jennifer Watson, The Official America Online Tour Guide - Page 61:

unsend

noun

Etymology From un- (“reversal”) + send.

1

Internet The functionality or ability to reverse a message transmission

Messaging; email; messaging; email

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.