Synonyms of spasmodic

Adjective

1. convulsive, spasmodic, spastic, unsteady (vs. steady)

usage: affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements"

2. fitful, spasmodic, sporadic (vs. continual)

usage: occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire"

Definition and meaning of spasmodic (Dictionary)