Phrase guide

letter bomb

noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A virus contained within an email or similar file.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To send a letter bomb (of either sense).

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: parcel bomb, package bomb

Antonyms: none provided

Broader terms: bomb

5

verb

Meaning 5

send an explosive to

Definition source: Princeton WordNet 3.0

Examples

  • The Unabomber letter bombed a number of individuals and institutions

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: bombard, bomb

History

Etymology

No etymology was provided for this word.

Across languages

Translations

8 source translations are retained for this English entry.

  • Danish: brevbombe — explosive device
  • Finnish: kirjepommi — explosive device
  • French: lettre piégée — explosive device
  • German: Briefbombe — explosive device
  • Hungarian: levélbomba — explosive device
  • Spanish: carta bomba — explosive device
  • Swedish: brevbomb — explosive device
  • Turkish: bombalı mektup — explosive device