Synonyms and related words :
beating, cadenced, cadent, ceaseless, chattering, constant, continual, in numbers, in rhythm, incessant, machine gun, measured, metric, oscillating, palpitant, perennial, perpetual, pitapat, pulsatile, pulsative, pulsatory, pulsing, rapid, regular, repeated, rhythmic, staccato, steady, stuttering, sustained, throbbing, unbroken, unceasing, unchanging, unintermitted, unintermittent, unintermitting, uninterrupted, unremitting, unstopped, unvarying, vibrating