fight-or-flight

noun

Meaning

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

Examples

  • The adrenaline surge during a fight-or-flight situation can provide a temporary boost of strength.
  • Chronic stress keeps the body in a state of fight-or-flight, which can lead to long-term health problems.

Synonyms: acute stress, stress response, survival instinct, sympathetic activation