panic panic /ˈpænɪk/

noun

1. () An overwhelming feeling of fear and anxiety  ( affright , panic , terror )
   an overwhelming feeling of fear and anxiety
     The loud explosion caused panic among the crowd, with people running in all directions.
   The loud explosion caused panic among the crowd, with people running in all directions.
   
2. () Sudden mass fear and anxiety over anticipated events  ( scare , panic )
   sudden mass fear and anxiety over anticipated events
    Panic in the stock market
   panic in the stock market
    A war scare
   a war scare
    A bomb scare led them to evacuate the building
   a bomb scare led them to evacuate the building
   

verb

1. () Cause sudden fear in or fill with sudden panic  ( panic )
   cause sudden fear in or fill with sudden panic
    The mere thought of an isolation cell panicked the prisoners
   The mere thought of an isolation cell panicked the prisoners
   
2. () Be overcome by a sudden fear  ( panic )
   be overcome by a sudden fear
    The students panicked when told that final exams were less than a week away
   The students panicked when told that final exams were less than a week away