jumpy

/ˈdʒʌmpi/
adjective
  1. Nervous or easily startled; feeling anxious and unable to relax.
    • After watching the horror movie, everyone was a little jumpy.
    • The loud thunder made the dog jumpy.
    • She felt jumpy before her big presentation.
  2. Moving in sudden, jerky movements; not smooth or steady.
    • His jumpy driving made me feel carsick.
    • The old projector showed a jumpy image.
    • The video was jumpy because the camera was shaking.
Antonyms