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
This is the hormone that triggers the fight-or-flight response which helps the body better cope with real or perceived threats.
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James Myhre & Dennis Sifris, Md, Verywell Health, 3 Sep. 2024
And threats to that autonomy may inspire a range of reactions including fight-or-flight, freezing or other emotional responses.
—Mia Taylor, Parents, 14 Aug. 2024
Like watching a horror movie, the experience stimulates a fight-or-flight response during which the brain releases endorphins and dopamine, hormones that make people feel good.
—Alexandra Byrne, NBC News, 13 Aug. 2024
Caffeine is also believed to stimulate the sympathetic nervous system, which regulates the body’s fight-or-flight response.
—Lori Youmshajekian, Scientific American, 13 Aug. 2024
See all Example Sentences for fight-or-flight 
James Myhre & Dennis Sifris, Md, Verywell Health, 3 Sep. 2024
And threats to that autonomy may inspire a range of reactions including fight-or-flight, freezing or other emotional responses.
—Mia Taylor, Parents, 14 Aug. 2024
Like watching a horror movie, the experience stimulates a fight-or-flight response during which the brain releases endorphins and dopamine, hormones that make people feel good.
—Alexandra Byrne, NBC News, 13 Aug. 2024
Caffeine is also believed to stimulate the sympathetic nervous system, which regulates the body’s fight-or-flight response.
—Lori Youmshajekian, Scientific American, 13 Aug. 2024
See all Example Sentences for fight-or-flight
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fight-or-flight.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near fight-or-flight
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“Fight-or-flight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fight-or-flight. Accessed 11 Sep. 2024.
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