hypothermia

noun

hy·​po·​ther·​mia ˌhī-pō-ˈthər-mē-ə How to pronounce hypothermia (audio)
: subnormal temperature of the body
hypothermic adjective

Examples of hypothermia in a Sentence

She fell into the cold water and nearly died from hypothermia.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That included a number of deaths from hypothermia and medical emergencies while clearing snow, as well as a few fatal sledding accidents. Amy Feldman, Forbes.com, 28 Jan. 2026 Morning wind chills will be especially harsh, ranging from a bitter -20° to 0°, posing risks for frostbite and hypothermia. Justin Lewis, CBS News, 27 Jan. 2026 Frostbite and hypothermia are real threats and experts advise people to bundle up and limit time outdoors. Jen Guadarrama, IndyStar, 27 Jan. 2026 Following a major weekend winter storm that covered Oklahoma in snow and ice, agencies around the Oklahoma City metro were dealing with slick roadways, ruptured water pipes, and life-threatening emergencies like hypothermia. Jessie Christopher Smith, Oklahoman, 27 Jan. 2026 See All Example Sentences for hypothermia

Word History

Etymology

New Latin

First Known Use

circa 1886, in the meaning defined above

Time Traveler
The first known use of hypothermia was circa 1886

Browse Nearby Words

Cite this Entry

“Hypothermia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothermia. Accessed 1 Feb. 2026.

Kids Definition

hypothermia

noun
hy·​po·​ther·​mia ˌhī-pō-ˈthər-mē-ə How to pronounce hypothermia (audio)
: reduction of the body temperature to an abnormally low level

Medical Definition

hypothermia

noun
hy·​po·​ther·​mia -ˈthər-mē-ə How to pronounce hypothermia (audio)
: subnormal temperature of the body
hypothermia, defined as temperature under 36.6°CEmergency Medicine
hypothermic adjective

More from Merriam-Webster on hypothermia

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!