Medical Dictionary
1lethal
adj le·thal \ˈlē-thəl\
Medical Definition of LETHAL
: of, relating to, or causing death <a lethal injury>; also : capable of causing death <lethal chemicals> <a lethal dose>
—le·thal·i·ty \lē-ˈthal-ət-ē\ noun, plural le·thal·i·ties
—le·thal·ly adverb
Seen & Heard
What made you want to look up lethal? Please tell us where you read or heard it (including the quote, if possible).