heat exhaustion
noun
: a condition marked by weakness, nausea, dizziness, and profuse sweating that results from physical exertion in a hot environment
called also heat prostration
compare heatstrokeExamples of heat exhaustion in a Sentence
Recent Examples on the Web
The above-average temperatures can cause heat exhaustion and life-threatening heat stroke.
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CBS News, 23 June 2026
Learn to identify the warning signs of heat exhaustion and heat stroke.
—Ca Weather Bot, Sacbee.com, 23 June 2026
In extreme temperatures, especially with high humidity, the body starts to lose its ability to cool itself down, potentially causing heat exhaustion or even heat stroke, which can be fatal.
—Laura Paddison, CNN Money, 23 June 2026
Six firefighters and nearby civilians were treated for heat exhaustion.
—Fort Worth Star-Telegram, 23 June 2026
See All Example Sentences for heat exhaustion
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CBS News, 23 June 2026
Learn to identify the warning signs of heat exhaustion and heat stroke.
—Ca Weather Bot, Sacbee.com, 23 June 2026
In extreme temperatures, especially with high humidity, the body starts to lose its ability to cool itself down, potentially causing heat exhaustion or even heat stroke, which can be fatal.
—Laura Paddison, CNN Money, 23 June 2026
Six firefighters and nearby civilians were treated for heat exhaustion.
—Fort Worth Star-Telegram, 23 June 2026
See All Example Sentences for heat exhaustion
Cite this Entry
“Heat exhaustion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20exhaustion. Accessed 25 Jun. 2026.
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