Today’s interesting question is What is Fear  

Fear is  defined as an unpleasant emotion caused by the belief that someone or something is dangerous, That this unknown is likely to cause pain, or a threat.

Fear is a feeling induced by perceived danger or threat that occurs in certain types of organisms, which causes a change in metabolic and organ functions and ultimately a change in behavior, such as fleeing, hiding, or freezing from perceived traumatic events.

Synonyms of fear are: terror, fright, fearfulness, horror, alarm, panic, agitation, trepidation, dread, consternation, dismay, distress.