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.
Common triggers Dunaway sees include illness, surgery, or big life stressors. Nicole Hernandez, USA Today, 3 Apr. 2026 Two of the biggest economic stressors for students nearing graduation — soaring rent and student loan debt — have outpaced personal income gains for decades. Gerald Bradshaw, Chicago Tribune, 3 Apr. 2026 Scientists have been studying these models on Earth since 2010 and have learned valuable information about our biology, such as how the body might respond to new medications or stressors. K. R. Callaway, Scientific American, 3 Apr. 2026 When compared with samples collected before and after the flight, the saliva and blood data will allow researchers to track immune changes linked to stressors such as radiation and isolation. Sharmila Kuthunur, Space.com, 1 Apr. 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 4 Apr. 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
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