stress·​or | \ ˈstre-sər How to pronounce stressor (audio) , -ˌsȯr\

Definition of stressor

: 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

Among the ingredients, portulaca pilosa extract and palmitoyl tripeptide-38 help to reduce fine lines and wrinkles and protect from environmental stressors. Alix Strauss, New York Times, "A Little Lip Service," 4 June 2019 According to a 2018 American Psychological Association survey of more than 3,000 respondents, the top stressors are work, money, the economy and health. Bridget Alex, Discover Magazine, "What Science Says About Why You're Stressed and How to Cope," 21 June 2019 Warren, a longtime law professor, is a former Republican whose analyses of bankruptcy policy in the nineteen-eighties and nineties drew her toward a liberal understanding of the stressors and strains burdening the American middle class. Osita Nwanevu, The New Yorker, "Elizabeth Warren, Bernie Sanders, and Two Paths for the American Left," 18 June 2019 The effects of acid rain, combined with other environmental stressors, leave trees and plants less healthy, more vulnerable to cold temperatures, insects, and disease. National Geographic, "Acid rain, explained," 12 June 2019 One of the biggest stressors that arises from being connected isn’t so much the work messages coming through but the mere thought of that work. Cassie Shortsleeve, Time, "How to Take a Relaxing Vacation Without Stressing About Work," 4 June 2019 The next stressor came via Josh Smith, LSU’s junior shortstop who Mainieri thought might go as high as No. Brody Miller,, "A roller-coaster 2 days of the MLB Draft for Paul Mainieri and LSU," 4 June 2019 Both though, work to cover dry, damaged skin and help reduce the appearance of aging caused by environmental stressors like too much sun, pollution, and lack of hydration. Diana Nguyen, Harper's BAZAAR, "7 Things You Should Be Doing for a Flawless Complexion," 3 May 2019 Constantly being on edge can also breed irritability, another stressor that can impact the quality of the relationship. Caroline Picard, Good Housekeeping, "7 Signs You're Dealing With Anxiety," 3 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stressor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stressor

1950, in the meaning defined above

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Statistics for stressor

Last Updated

17 Jul 2019

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Time Traveler for stressor

The first known use of stressor was in 1950

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English Language Learners Definition of stressor

: something that makes you worried or anxious : a source of stress


stress·​or | \ ˈstres-ər How to pronounce stressor (audio) , -ˌȯ(ə)r How to pronounce stressor (audio) \

Medical Definition of stressor

: a stimulus that causes stress psychological stressors

More from Merriam-Webster on stressor

Rhyming Dictionary: Words that rhyme with stressor

Comments on stressor

What made you want to look up stressor? Please tell us where you read or heard it (including the quote, if possible).


to form ideas or theories about something

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