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

lethal applies to something that is bound to cause death or exists for the destruction of life.

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

lethal in American English (ˈliθəl ) adjective causing or capable of causing death; fatal or deadly

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 …

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

lethal meaning, definition, what is lethal: causing death, or able to cause death: Learn more.

Some common synonyms of lethal are deadly, fatal, and mortal. While all these words mean "causing or capable of causing death," lethal applies to something that is bound to cause …