- unrhythmical, unrhythmic - not rhythmic; irregular in beat or accent
Antonyms: rhythmical, rhythmic, beating, pulsating, pulsing, cadenced, cadent, danceable, jazzy, lilting, swinging, swingy, tripping, measured, metrical, metric, periodic, sapphic, chantlike, intoned, singsong, syncopated, throbbing