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
Life’s inevitable uncertainties instantly arouse your sympathetic nervous system (fight-or-flight or stress response).
—
Bryan Robinson, Forbes, 7 Mar. 2025
Instead, even a small moment of stress can turn into a serious trigger, sending you into fight-or-flight mode.
—Erica Sloan, SELF, 28 Feb. 2025
The brain perceives inevitable crises and uncertainties as a threat to our survival, instantly arousing fight-or-flight reactions.
—Bryan Robinson, Forbes, 24 Feb. 2025
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.
—Monica Cull, Discover Magazine, 7 Feb. 2025
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Bryan Robinson, Forbes, 7 Mar. 2025
Instead, even a small moment of stress can turn into a serious trigger, sending you into fight-or-flight mode.
—Erica Sloan, SELF, 28 Feb. 2025
The brain perceives inevitable crises and uncertainties as a threat to our survival, instantly arousing fight-or-flight reactions.
—Bryan Robinson, Forbes, 24 Feb. 2025
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.
—Monica Cull, Discover Magazine, 7 Feb. 2025
See All Example Sentences for 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 13 Mar. 2025.
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