heatstroke
noun
heat·stroke
ˈhēt-ˌstrōk 
: a life-threatening condition marked especially by cessation of sweating, extremely high body temperature, and collapse that results from prolonged exposure to high temperature compare heat exhaustion, sunstroke
Examples of heatstroke in a Sentence
Recent Examples on the Web
There have been instances of prisoners dying of heatstroke in their cells during heatwaves.
—
Daniel Taylor, New York Times, 12 Apr. 2025
Dee must contend not only with the 200-pound dog, but with the heatstroke that is slowly killing her and her son.
—Dan Perry, Newsweek, 18 Mar. 2025
Severe dehydration and heatstroke are both medical emergencies and need immediate medical attention.
—Heather Jones, Verywell Health, 1 Dec. 2024
The climactic scene in that film took place when Wallace’s mother and her son face the difficult decision of battling heatstroke in a car that won’t start or confronting the big, rabid dog waiting for them outside the small vehicle.
—Dessi Gomez, Deadline, 18 Mar. 2025
See All Example Sentences for heatstroke
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Daniel Taylor, New York Times, 12 Apr. 2025
Dee must contend not only with the 200-pound dog, but with the heatstroke that is slowly killing her and her son.
—Dan Perry, Newsweek, 18 Mar. 2025
Severe dehydration and heatstroke are both medical emergencies and need immediate medical attention.
—Heather Jones, Verywell Health, 1 Dec. 2024
The climactic scene in that film took place when Wallace’s mother and her son face the difficult decision of battling heatstroke in a car that won’t start or confronting the big, rabid dog waiting for them outside the small vehicle.
—Dessi Gomez, Deadline, 18 Mar. 2025
See All Example Sentences for heatstroke
Cite this Entry
“Heatstroke.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heatstroke. Accessed 6 May. 2025.
Copy CitationKids Definition
heatstroke
noun
heat·stroke
ˈhēt-ˌstrōk
: a condition marked especially by the stopping of sweating, a high body temperature, and exhaustion that results from exposure to high temperature for a long time compare sunstroke
Medical Definition
heatstroke
noun
heat·stroke
ˈhēt-ˌstrōk
: a life-threatening condition characterized by cessation of sweating with inadequate elimination of body heat, extremely high temperature, rapid pulse, hot dry skin, flaccid muscles, delirium, collapse, and coma and resulting from prolonged exposure to high environmental temperature which causes a dysfunction of the temperature-regulating mechanism of the body see sunstroke compare heat exhaustion
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