life-threatening

adjective
life-threat·​en·​ing | \ ˈlīf-ˌthret-niŋ How to pronounce life-threatening (audio) , -ˌthre-tᵊn-iŋ\

Definition of life-threatening

: capable of causing death : potentially fatal a life-threatening disease/condition The injuries are serious but not life-threatening.

First Known Use of life-threatening

1759, in the meaning defined above

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More Definitions for life-threatening

life-threatening

adjective

English Language Learners Definition of life-threatening

: capable of causing someone's death

life-threatening

adjective
life-threat·​en·​ing | \ ˈlīf-ˌthret-ən-iŋ How to pronounce life-threatening (audio) \

Medical Definition of life-threatening

: capable of causing death : potentially fatal life-threatening injuries a life-threatening allergic reaction life-threatening arrhythmia