panic

/ˈpænɪk/
verb
  1. To feel or show sudden, strong fear or anxiety, often causing irrational behavior.
    • The animals panicked and ran in all directions during the storm.
    • Don't panic — we still have plenty of time to finish the project.
    • He panicked when he couldn't find his keys anywhere.
noun
  1. A sudden, strong feeling of fear or anxiety that makes you unable to think or act calmly.
    • The announcement caused panic among the passengers.
    • Panic spread through the crowd when the fire alarm went off.
    • She felt a wave of panic as she realized she had lost her passport.
adjective
  1. Feeling or showing sudden, extreme fear or anxiety.
    • She gave a panicked look when she heard the news.
    • The panicked crowd rushed toward the exits.
    • His panicked voice on the phone made everyone worry.