unsend

U1N1S1E1N1D2

verb

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

Scrabble 7
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Meanings

verbunsend (third-person singular simple present unsends, present participle unsending, simple past and past participle unsent)

present singular third person unsends · participle present unsending · participle past unsent · past unsent

  1. Internettransitivemessaging; email; messaging; emailTo undo, cancel, or reverse the transmission of a message

    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
noununsend (uncountable)
  1. Internetuncountablemessaging; email; messaging; emailThe functionality or ability to reverse a message transmission

Origin

From un- (“reversal”) + send.

Full word history & related roots →
Cite this entry
APA

unsend. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unsend

MLA

“unsend.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unsend. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “unsend,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unsend.

Source: unsend on Wiktionary, CC BY-SA 4.0.