(modifier) involving or relating to an involuntary response to stress in which the hormone adrenaline is secreted into the blood in readiness for physical action, such as fighting or running away
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Words nearby fight-or-flight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Example sentences from the Web for fight-or-flight
The BUD/S instructors had a fast way of testing our fight-or-flight response.