English edit

Etymology edit

un- +‎ mail

Verb edit

unmail (third-person singular simple present unmails, present participle unmailing, simple past and past participle unmailed)

  1. (transitive) To undo the act of mailing; to recover from the postal system before delivery.
    • 2013, Elizabeth Bass, The Way Back to Happiness:
      Was it even possible to unmail a letter? She might have to lie, might have to say the letter contained explosives, or some kind of poison. Something extremely illegal.

Anagrams edit