Translation

パニック / 恐慌 / うろたえる

Meaning

A sudden, strong feeling of fear that stops you from thinking clearly.

Examples

• The sudden loud noise caused a wave of panic among the crowd.
  The sudden loud noise caused a wave of panic among the crowd.
• He felt a sense of panic as he realized he had lost his keys.
  He felt a sense of panic as he realized he had lost his keys.