Define panic. panic synonyms, panic pronunciation, panic translation, English dictionary definition of panic. n. 1. A sudden, overpowering feeling of fear, often affecting many people at once. See Synonyms at fear. 2. A state of extreme anxiety, such as that...
Panic is a sudden sensation of fear, which is so strong as to dominate or prevent reason and logical thinking, replacing it with overwhelming feelings of anxiety and frantic agitation consistent with an animalistic fight-or-flight reaction. Panic may occur singularly in individuals or manifest suddenly in large groups as mass panic (closely related to herd behavior
PANIC | meaning in the Cambridge English Dictionary