stressor

noun

stress·​or ˈstre-sər How to pronounce stressor (audio) -ˌsȯr How to pronounce stressor (audio)
: a stimulus that causes stress

Examples of stressor in a Sentence

Credit card debt is a major stressor in her life.
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.
When airplanes travel to different locations with varying temperatures, mechanical stressors and water sources, while remaining at stops for any amount of time, the water quality onboard can be affected. Marina Watts, PEOPLE, 7 Jan. 2026 A lot of people beginning treatment brought anxiety, depression, and other emotional stressors with them, and those issues weren’t always addressed early enough. Ethan Stone, Miami Herald, 7 Jan. 2026 Because Japanese skin care prioritizes prevention as much as correction, moisturizers are used daily not only for dry skin but also to protect against environmental stressors, dehydration, and early signs of aging, even for balanced or combination skin types. Iman Balagam, Vogue, 6 Jan. 2026 Over time, that can make your brain less resilient against stressors like illness and aging, speeding up changes tied to dementia. Erica Sloan, SELF, 6 Jan. 2026 See All Example Sentences for stressor

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of stressor was in 1950

Browse Nearby Words

Cite this Entry

“Stressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stressor. Accessed 11 Jan. 2026.

Medical Definition

stressor

noun
stress·​or ˈstres-ər How to pronounce stressor (audio) -ˌȯ(ə)r How to pronounce stressor (audio)
: a stimulus that causes stress
psychological stressors
Last Updated: - Updated example sentences
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