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fight-or-flight


fight–or–flight

adjective

Definition of FIGHT-OR-FLIGHT

:  relating to, being, or causing physiological changes in the body (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>

First Known Use of FIGHT-OR-FLIGHT

1973

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