Definition

1. Adjective:
   • Potentially fatal; capable of causing death: Describes a condition, situation, or illness that poses a very high risk of death if not treated or resolved.
   • Extremely serious or dangerous: Indicates a severe level of danger that jeopardizes survival or fundamental well-being.

Usage

• The adjective "life-threatening" is used to modify nouns, typically medical conditions, injuries, or situations. It emphasizes extreme severity and imminent risk to life.
• It is often used in medical, emergency, and formal contexts to convey urgency.

Examples

• Medical Context:
  • The patient was admitted with a life-threatening allergic reaction.
  • A blood clot can become a life-threatening emergency if it travels to the lungs.
• General/Dangerous Situation:
  • The hurricane created life-threatening conditions along the coast.
  • Driving under the influence is a life-threatening behavior.

Advanced Usage

• "life-threateningly" (adverb): In a manner that threatens life. (Note: This is a derived form, not the target word itself).
  • The patient's condition deteriorated life-threateningly fast.
• Used in formal warnings or advisories:
  • The National Weather Service has issued a life-threatening heat warning.

Variants and Related Words

• Life-endangering (adj): Similar in meaning, posing a risk to life.
• Critical (adj): Of the utmost importance; at a point of crisis. (In medicine, often similar to "life-threatening" but can sometimes imply a slightly less immediate timeframe).
• Mortal (adj): Causing or liable to cause death; fatal. (Often used for wounds or dangers).

Synonyms

• Fatal: Certain to cause death.
• Deadly: Likely to cause death.
• Perilous: Full of danger or risk.
• Grave: Serious or solemn; giving cause for alarm.

Antonyms

• Harmless: Not able or likely to cause harm.
• Benign: Gentle and kindly; (in medicine) not harmful in effect.
• Minor: Lesser in importance, seriousness, or significance.

Related Phrases

• Life-or-death situation: A circumstance where the outcome is either survival or death.
  • The surgeons faced a life-or-death decision in the operating room.
• At risk of life: In danger of dying.
  • The firefighters put their lives at risk.

Adjective

1. 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