letter bomb

noun

An explosive device sent through the post, triggered to explode when the letter or packet is opened.

Similar
mail bombparcel bombpackage bomb
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Meanings

nounletter bomb (plural letter bombs)

plural letter bombs

  1. An explosive device sent through the post, triggered to explode when the letter or packet is opened.
  2. computingA virus contained within an email or similar file.
verbletter bomb (third-person singular simple present letter bombs, present participle letter bombing, simple past and past participle letter bombed)

present singular third person letter bombs · participle present letter bombing · participle past letter bombed · past letter bombed

  1. transitiveTo send a letter bomb (of either sense).

    Synonyms: mail bomb

Synonyms & antonyms

verbTo send a letter bomb (of either sense).

Similar
mail bomb

More synonyms by meaning

nouna thin explosive device inside an envelope or package and detonated when opened

Similar
parcel bombpackage bomb
Broader
bomb
Also see
parcel bomb

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Danish brevbombe
  • brevbombeexplosive device
Finnish kirjepommi
  • kirjepommiexplosive device
French lettre piégée
  • lettre piégéeexplosive device
German Briefbombe
  • Briefbombeexplosive device
Hungarian levélbomba
  • levélbombaexplosive device
Spanish carta bomba
  • carta bombaexplosive device
Swedish brevbomb
  • brevbombexplosive device
Turkish bombalı mektup
  • bombalı mektupexplosive device
Cite this entry
APA

letter bomb. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/letter%20bomb

MLA

“letter bomb.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/letter%20bomb. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “letter bomb,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/letter%20bomb.

Source: letter bomb on Wiktionary, CC BY-SA 4.0.