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

On Thursday, which surpassed Wednesday as France’s hottest day on record, a bus driver reportedly passed out from heatstroke and crashed into a tree on the western edge of Paris. — Thomas Chatterton Williams, The Atlantic, 28 June 2026

That creates extreme risks of heat exhaustion and deadly heatstroke. — Janet Loehrke, USA Today, 25 June 2026

But the second that header hit the back of the net at the death, the heatstroke was miraculously cured. — Dieter Kurtenbach, Mercury News, 13 June 2026

This deficit can increase the likelihood of heat exhaustion and heatstroke. — Lisa Fitzpatrick, Forbes.com, 13 June 2026

Word History

First Known Use

1874, in the meaning defined above

Rhymes for heatstroke

• awoke
• baroque
• bespoke
• colloque
• convoke
• evoke
• invoke
• keystroke
• kinfolk
• kinsfolk
• menfolk
• provoke

Kids 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