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.

Their injuries are not believed to be life-threatening or life-changing, a force spokesperson said, and the incident is not being treated as suspicious.

From BBC

But the couple said they could never have predicted what would happen after two days in Nashville when Issy developed pre-eclampsia, a life-threatening complication that can affect women in the second half of pregnancy.

From BBC

Police said none of the injuries were deemed to be life-changing or life-threatening.

From BBC

Mwangi told AFP on Wednesday that he had "life-threatening concerns" and felt "violated" by the actions.

From Barron's

The letter to parents urged families to check their child's vaccination status - as well as their own - to limit spread of the disease, which can cause serious and potentially life-threatening health complications.

From BBC