Synonyms: arrhythmic, arrhythmical
Definition: without regard for rhythm
Similar words: unrhythmic, unrhythmical
Definition: not rhythmic; irregular in beat or accent
Synonyms: jerking, jerky, arrhythmic
Definition: lacking a steady rhythm
Usage: an arrhythmic heartbeat
Similar words: unsteady
Definition: subject to change or variation
Usage: her unsteady walk; his hand was unsteady as he poured the wine; an unsteady voice