Definitions

life-threatening

[lahyf-thret-ning, -thret-n-ing] / ˈlaɪfˌθrɛt nɪŋ, -ˌθrɛt n ɪŋ /

ADJECTIVE

very dangerous

Synonyms

STRONGEST

deadly lethal mortal serious severe

WEAK

capital critical hazardous threatening touch and go unsafe

Antonyms

STRONGEST

harmless invigorating

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Derbyshire Police said four men and three women, aged between 36 and 52, suffered serious but non life-threatening injuries during the incident.

From BBC

The victims of the incident - four men and three women aged between 36 and 52 - all suffered serious but non life-threatening injuries during the incident.

From BBC

“That reality is difficult to share, but it’s important to be transparent that this condition has the potential to become life-threatening.”

From Los Angeles Times

The ingredients could cause a “life-threatening” drop in blood pressure when mixed with nitrates found in prescription drugs, according to the FDA.

From Los Angeles Times

“We’ve got to fix this, because the consequences can be life-threatening.”

From MarketWatch