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Meaning of lethal

le•thal

Pronunciation: (lē'thul), [key]
— adj.
  1. of, pertaining to, or causing death; deadly; fatal: a lethal weapon; a lethal dose.
  2. made to cause death: a lethal chamber; a lethal attack.
  3. causing great harm or destruction: The disclosures were lethal to his candidacy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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