fight-or-flight
adjective
: relating to, being, or causing physiological changes in the body (such as an increase in heart rate or dilation of bronchi) in response to stress
epinephrine is a fight-or-flight hormone
a fight-or-flight reaction
Examples of fight-or-flight in a Sentence
Recent Examples on the Web
According to new research published in Marine Mammal Science by the University of Washington (UW), these low-frequency songs are part of a baleen whale’s fight-or-flight response.
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Monica Cull, Discover Magazine, 7 Feb. 2025
The fight-or-flight response is a body mechanism intended to keep humans safe from threats.
—Sarah Bence, Verywell Health, 24 Jan. 2025
The fight-or-flight response typically kicks in when a dangerous situation arises.
—Shirley Li, The Atlantic, 24 Jan. 2025
The extra cortisol activates your fight-or-flight response, ensuring your body can adapt and respond quickly to external stressors.7
Can good stress cause GAS?
—Laura Schober, Health, 23 Jan. 2025
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Monica Cull, Discover Magazine, 7 Feb. 2025
The fight-or-flight response is a body mechanism intended to keep humans safe from threats.
—Sarah Bence, Verywell Health, 24 Jan. 2025
The fight-or-flight response typically kicks in when a dangerous situation arises.
—Shirley Li, The Atlantic, 24 Jan. 2025
The extra cortisol activates your fight-or-flight response, ensuring your body can adapt and respond quickly to external stressors.7
Can good stress cause GAS?
—Laura Schober, Health, 23 Jan. 2025
See all Example Sentences for fight-or-flight
Dictionary Entries Near fight-or-flight
Cite this Entry
“Fight-or-flight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fight-or-flight. Accessed 22 Feb. 2025.
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