Life-threatening

adj

adj ·3 syllables ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Potentially fatal.

    "The life-threatening illness caused him to be rushed to the hospital, where doctors worked around the clock to save his life."

Adjective
  1. 1
    causing fear or anxiety by threatening great harm wordnet

Synonyms

All synonyms
dangerousgravegrievousserioussevere

Example

More examples

"The Okinawans came to be forced to live alongside life-threatening danger."

Related phrases

non-life-threatening

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.