Synonyms for

Lethal

Verb / ˈli:θʌl / Another word for lethal — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

causing or capable of causing death

Synonyms & similar words

deadly deadly fatal mortal toxic poisonous destructive dangerous harmful injurious lethiferous lethargic lethiferous deleterious pernicious virulent venomous noxious baneful ruinous deathly

Synonyms by register

Formal

fatal deadly mortal terminal

Informal

killer deadly wicked

Literary

bane pestilential

Antonyms

harmless safe nonlethal innocuous gentle mild

Common collocations

  • lethal injection
  • lethal dose
  • lethal weapon
  • lethal force
  • lethal blow
  • lethal outcome
  • lethal gas

Word family

noun lethality
adverb lethally

Usage note

Lethal primarily refers to something that can cause death. It is often used in formal contexts, especially in legal or medical settings.

Example sentences

  1. The venom of a snake is lethal.
  2. Drinking bleach can be lethal.
  3. The virus is lethal and can cause death.
  4. The soldier received a lethal wound in battle.
  5. The shark has a lethal bite.

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