Definition & Meaning of "spooked"in English

What does "spooked" mean in fear slang?

The term "spooked" means being suddenly startled, scared, or unnerved, often due to an unexpected event or impression. The structure is a past participle of "spook," originally meaning to frighten, extended into informal usage as an adjective describing a momentary fear response. It is commonly used in everyday speech and informal contexts to describe being briefly alarmed or psychologically unsettled.