S: (n) panic, scare (sudden mass fear and anxiety over anticipated events) "panic in the stock market"; "a war scare"; "a bomb scare led them to evacuate the building"
Verb
S: (v) panic (be overcome by a sudden fear) "The students panicked when told that final exams were less than a week away"
S: (v) panic (cause sudden fear in or fill with sudden panic) "The mere thought of an isolation cell panicked the prisoners"