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.
This growing body of evidence has prompted researchers to frame PFAS exposure not as an isolated risk, but as a chronic environmental stressor that interacts with other economic and sociocultural issues, including diet, air pollution and systemic health issues. Ximena Araya-Fischel, Forbes.com, 18 May 2025 Experts believe that in response to some intense stressor, the body releases a massive amount of adrenaline, which can lead to narrowing of the small arteries that supply blood to the heart and cause a temporary decrease in blood flow. Emily Kay Votruba, EverydayHealth.com, 15 May 2025 Much of the line and its marketing revolve around protecting the skin from stressors that come with a modern lifestyle, like blue light exposure, tech neck, environmental pollutants, and, at least in my case, frowning at the news until fresh wrinkles form. Nicola Dall'asen, Allure, 7 May 2025 Likewise, a lack of support and multiple stressors could mean more therapy. Lana Barhum, Verywell Health, 22 Apr. 2025 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

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Cite this Entry

“Stressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stressor. Accessed 24 May. 2025.

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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