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 heatstroke

Examples of heat exhaustion in a Sentence

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.
Stray animals are also at risk of suffering from heat exhaustion during scorching summers. Lucy Notarantonio, Newsweek, 2 Jan. 2025 If someone experiences heat exhaustion, get the victim out of the sun. Diana Leyva, The Tennessean, 27 Aug. 2024 Three children and one adult hospitalized for heat exhaustion after they got lost during a family reunion hike in Arizona amid triple-digit temperatures. Cybele Mayes-Osterman, USA TODAY, 3 Aug. 2024 Comp said that mild forms of heat illness like heat cramps or even heat exhaustion can be treated by cooling and getting out of the heat. Amudalat Ajasa, Washington Post, 1 Aug. 2024 See all Example Sentences for heat exhaustion 

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of heat exhaustion was in 1861

Dictionary Entries Near heat exhaustion

Cite this Entry

“Heat exhaustion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20exhaustion. Accessed 22 Jan. 2025.

Kids Definition

heat exhaustion

noun
: a condition marked by weakness, nausea, dizziness, and much sweating that results from physical exertion in a hot environment

called also heat prostration

compare heat stroke

Medical Definition

heat exhaustion

noun
: a condition characterized by faintness or fainting, palpitations, nausea, vomiting, headache, and profuse sweating and resulting from physical exertion in a hot environment

called also heat prostration

compare heatstroke

More from Merriam-Webster on heat exhaustion

Last Updated: - Updated example sentences
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