involuntary movement

n a continuous succession of slow, writhing, involuntary movements of the hands and feet and other body parts

n a sudden and decisive increase n an abrupt transition n (film) an abrupt transition from one scene to another n a sudden involuntary movement n descent with a parachute n the act of jumping

involuntary movements of the eyeballs

a sudden involuntary movement v

excited by sudden surprise or alarm and making a quick involuntary movement