Word.ws English Dictionary

unsend

unsend verb: to undo, cancel, or reverse the transmission of a message.

Verb

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

  1. (Internet, transitive, messaging, email) To 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

Noun

unsend (uncountable)

  1. (Internet, messaging, email) The functionality or ability to reverse a message transmission

Forms of unsend

third-person singular presentunsends
present participleunsending
past participleunsent
pastunsent

Origin of unsend

From un- (“reversal”) + send.

Questions about unsend

What does unsend mean?
Unsend means to undo, cancel, or reverse the transmission of a message.
What part of speech is unsend?
Unsend can be a verb or a noun.
What is the past tense of unsend?
The past tense of unsend is unsent.

Words near unsend in the dictionary

  1. unselves
  2. unsemantic
  3. unsemanticized
  4. unsemely
  5. unsenatorial
  6. unsend
  7. unsendable
  8. unsending
  9. unsends
  10. unsenescent
  11. unsensational

Source and license

Adapted from Wiktionary: unsend (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-unsend.wav.

Cite this entry: “unsend.” Word.ws, https://word.ws/unsend. Based on Wiktionary, CC BY-SA 4.0.