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

Some breeds are more susceptible to heat exhaustion and stroke, for instance, so be careful in warm and hot weather. —Kate Bradshaw, The Mercury News, 3 Mar. 2025

Court filings noted Dade Correctional Institution's population is especially vulnerable to heat exhaustion as more than half are over the age of 50 and nearly 25% are over 65. —Minnah Arshad, USA TODAY, 1 Nov. 2024

Monitor those at risk: Check on friends, family or others for signs of heat exhaustion or heat stroke. —Staff Reports, The Arizona Republic, 1 Oct. 2024

An incident involving a Texas UPS driver crashing after allegedly suffering from heat exhaustion has sparked conversation around employee safety. —Alexis Simmerman, Austin American-Statesman, 20 Aug. 2024

Word History

First Known Use

1861, in the meaning defined above

Rhymes for heat exhaustion

• faustian

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