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
According to data from Kids and Car Safety, since 1990, Texas has led the nation in child heatstrokes, with 156 deaths in total.
—
Marley Malenfant, Austin American Statesman, 2 July 2025
There were 16 cases of vehicular heatstroke deaths reported from 1990 to 2024.
—Cheryl V. Jackson, IndyStar, 27 June 2025
Signs of heat exhaustion or heatstroke include confusion, lightheadedness or nausea.
—Irit Skulnik, Baltimore Sun, 23 June 2025
Mom and her son get stuck in her small car that won’t start, and their choices are to battle it out with the rabid oversized hound or risk heatstroke in a hot car.
—Mike Fleming Jr, Deadline, 11 Mar. 2025
See All Example Sentences for heatstroke
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Marley Malenfant, Austin American Statesman, 2 July 2025
There were 16 cases of vehicular heatstroke deaths reported from 1990 to 2024.
—Cheryl V. Jackson, IndyStar, 27 June 2025
Signs of heat exhaustion or heatstroke include confusion, lightheadedness or nausea.
—Irit Skulnik, Baltimore Sun, 23 June 2025
Mom and her son get stuck in her small car that won’t start, and their choices are to battle it out with the rabid oversized hound or risk heatstroke in a hot car.
—Mike Fleming Jr, Deadline, 11 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 21 Jul. 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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