startled
"Startled" is an adjective that describes a state of sudden surprise or fear, often caused by an unexpected event or stimulus. It can also refer to the action of being startled, which is a sudden, involuntary response to a surprising or frightening event. The term is often used in the context of animals, as many species exhibit startled responses when they encounter a threat or unexpected stimulus. In humans, being startled can trigger a "fight or flight" response, releasing adrenaline and preparing the body for action. The intensity of the startled response can vary widely depending on the individual and the nature of the stimulus. For example, a sudden loud noise might cause a person to jump, while a more gradual change in their environment might not elicit the same response. The startled state is often characterized by increased heart rate, rapid breathing, and heightened alertness. It is a natural and adaptive response that helps organisms to avoid danger and protect themselves. However, in some cases, being startled can be harmful, such as when a person is startled while driving and causes an accident.