Synonyms for life-threatening
life-threat·en·ing

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. dangerous, grave, grievous, serious, severe, life-threateningadjective

   causing fear or anxiety by threatening great harm

   "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"

   Synonyms:
   severe, sober, serious, wicked, stark, unsafe, terrible, hard, spartan, stern, heavy, unplayful, weighty, monstrous, grave, good, grievous, atrocious, sedate, flagitious, dangerous, knockout, austere, heartbreaking, heartrending, solemn

   Antonyms:
   noncrucial, noncritical

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "life-threatening":

   fatal, deadly, lethal, mortal

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How to use life-threatening in a sentence?

1. United Airlines:

   Our flight attendants helped a customer who was stung by what appeared to be a scorpion on a flight last week, our crew immediately consulted with a MedLink physician on the ground who provided guidance throughout the incident and assured our crew that it was not a life-threatening matter.

2. The NHC:

   This is a life-threatening situation. Residentsthere should take immediate shelter.

3. Michael Dorn:

   Training people on active shooters is actually reducing the options and types of options that people need in order to effectively address many life-threatening situations.

4. Patrick Burke:

   This is potentially a life-threatening storm.

5. The Miami-based center:

   Areas of heavy rain are expected over portions of eastern. Mexico tonight through Tuesday, these rains could cause life-threatening flash floods and mud slides, especially in areas of high terrain.