"panic" in the noun sense
1. panic, terror, affright
an overwhelming feeling of fear and anxiety
2. 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"
"panic" in the verb sense
be overcome by a sudden fear
"The students panicked when told that final exams were less than a week away"
cause sudden fear in or fill with sudden panic
"The mere thought of an isolation cell panicked the prisoners"
Source: WordNet® (An amazing lexical database of English)
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