What is the feeling of fear, and why do people experience it? Learn about the signs, functions, and causes of fear as well as the facial expression.

Fear is a vital response to physical and emotional danger that has been pivotal throughout human evolution, but especially in ancient times when men and women regularly faced life-or-death.

fear, dread, fright, alarm, panic, terror, trepidation mean painful agitation in the presence or anticipation of danger. fear is the most general term and implies anxiety and usually loss of courage.

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Oct 26, 2025 · Fear is a primal emotion that provokes a physiological and emotional response. Learn the signs of fear, what causes it, and how to manage it.

FEAR definition: 1. an unpleasant emotion or thought that you have when you are frightened or worried by something…. Learn more.

Many physiological changes in the body are associated with fear, summarized as the fight-or-flight response.

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