fight-or-flight

British  

noun

1. (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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Example Sentences

That’s our fight-or-flight response at work, and it can cause a lot of problems in a relationship.

From The Wall Street Journal

Vd Roest was well aware that the man’s virtually generated image wasn’t real, but that didn’t stop a fight-or-flight response from kicking in upon seeing his face.

From Slate

For example, norepinephrine, a chemical involved in the body's "fight-or-flight" response, is often higher than normal in anxiety disorders.

From Science Daily

The researchers believe that the heightened fight-or-flight activity common in anxiety disorders may increase the brain's demand for choline, which could lower its available levels.

From Science Daily

She felt locked in a fight-or-flight response.

From The Wall Street Journal