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.
His insights may be used to pinpoint genes that help plants adapt to environmental stressors, such as disease or extreme weather, which scientists could then work to enhance in vulnerable species. Ashley MacKin Solomon, San Diego Union-Tribune, 4 Nov. 2025 Researchers from the Harvard Institute of Politics asked the group aged 22 to 29 about the biggest stressors in their lives and their preferences in this year's mayoral race in order to better understand the political attitudes of New York City's young voters. Halle Troadec, ABC News, 31 Oct. 2025 Without this cognitive translation, day-to-day stressors may dictate overall sense of well-being, or the mix and shifts between positive and negative parts of parenting may make life seem overall incoherent for these fathers. Anthony Vaccaro, Scientific American, 29 Oct. 2025 Developing stress tolerance skills and habits should be a key part of everyone’s routine, ensuring you’re equipped to handle both everyday and unexpected stressors. Sandra Rose Salathe, Flow Space, 29 Oct. 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 10 Nov. 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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