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Definition of sunstroke

sunstroke

/ˈsʌnˌstroʊk/
sun · stroke
Plural:sunstrokes
•
Adjective:sunstruck
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sunstroke Lexical Profile

sunstroke Game Scores & Validity

• noun

1

A severe, potentially life-threatening form of heatstroke caused by prolonged direct exposure to the sun, characterized by a dangerously high body temperature, dizziness, headache, and failure of the body's temperature-regulating mechanisms.

Example

"The marathon runners were advised to wear hats and stay hydrated to prevent sunstroke during the midday race."

Synonyms
View all synonyms for sunstroke

• Nearby Words

sunshine
sunshiny
sunspot
sunstroke
sunsuit
suntan
suntanned

Word Origin & Etymology

Formed in the mid-18th century as an English compound of 'sun' and 'stroke' (in the medical sense of a sudden affliction or attack), modeled after earlier European terms like German 'Sonnenstich'.

Cite this Entry

Wordmom. (2026). Definition of Sunstroke. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sunstroke
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