Definition of life-threatening in English:

life-threatening

Line breaks: life-threaten¦ing

adjective

(Especially of an illness or injury) potentially fatal: cancer is not the only life-threatening condition
More example sentences
  • And it's not just those suffering from life-threatening illness who are offered such help.
  • The basic fact may nowhere be as true as when we are tested by a life-threatening illness.
  • The man was taken to hospital with life-threatening injuries - a deep wound to his side had punctured a lung.

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Pronunciation: əbˈsēkwēəs
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obedient or attentive to an excessive degree...