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

Add to word list able to cause or causing death; extremely dangerous: a lethal weapon (Definition of lethal from the Cambridge Academic Content Dictionary © Cambridge University Press)

Lethal definition: of, relating to, or causing death; deadly; fatal: a lethal dose.. See examples of LETHAL used in a sentence.

A substance that is lethal can kill people or animals. ...a lethal dose of sleeping pills. ...chemicals lethal to fish and aquatic mammals.

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.

Definition of lethal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

fatal: a lethal weapon; a lethal injection. fatal: a lethal weapon; a lethal dose. made to cause death: a lethal chamber; a lethal attack. causing great harm or destruction: The disclosures were lethal to his …

Aug 15, 2025 · lethal (comparative more lethal, superlative most lethal) Of, pertaining to, or causing death; deadly; mortal; fatal. quotations

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

lethal definition: causing or able to cause death. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "lethal cocktail", "lethal dose", "lethal gene".