The meaning of LETHAL is of, relating to, or causing death. How to use lethal in a sentence. Synonym Discussion of Lethal.

LETHAL definition: 1. able to cause or causing death; extremely dangerous: 2. able to cause or causing death…. Learn more.

adjective of, relating to, or causing death; deadly; fatal: a lethal dose. a lethal weapon; a lethal dose. made or carried out to cause death: a lethal attack. a lethal chamber; a lethal attack. …

1. Causing or capable of causing death: a lethal weapon. See Synonyms at fatal. 2. Extremely harmful; devastating: accusations lethal to the candidate's image.

Lethal refers to anything dangerous enough to cause death. The cobra's venom is so lethal that if you get bitten and can't find the antidote, it's lights out forever. Poisonous spiders, guns, …

'lethal' - Complete English Word Reference Definitions of 'lethal' 1. A substance that is lethal can kill people or animals. [...] 2. If you describe something as lethal, you mean that it is capable of …

Lethal refers to anything that is capable of causing death or fatal harm. This term can be used to describe substances, weapons, diseases, or conditions, among other things, denoting their …

made to cause death: a lethal chamber; a lethal attack. causing great harm or destruction: The disclosures were lethal to his candidacy. le•thal′i•ty, le′thal•ness, n. See fatal. Synonyms: …

Jun 25, 2025 · lethal (plural lethals) Any weapon that causes death. Antonym: non-lethal (genetics) An allele that causes the death of the organism that carries it.

Having the potential to cause death, serious harm, or fatal consequences. "The venom of the snake was lethal and could cause death within minutes." When applied to a weapon, …