panic is the dictionary form of panicked Definition of panic
panicked
1. [ noun ] an overwhelming feeling of fear and anxiety
Synonyms: terror
Related terms: fear terrorize terrify
2. [ noun ] (psychology,psychiatry) sudden mass fear and anxiety over anticipated events
Synonyms: scare
Examples:

"panic in the stock market" "a war scare" "a bomb scare led them to evacuate the building"

Related terms: anxiety red_scare daunt
3. [ verb ] be overcome by a sudden fear
Examples:

"The students panicked when told that final exams were less than a week away"

Related terms: fear freak_out
4. [ verb ] cause sudden fear in or fill with sudden panic
Examples:

"The mere thought of an isolation cell panicked the prisoners"

Related terms: terrify