Synonyms and related words :
articulated, catenated, ceaseless, chattering, concatenated, connected, constant, continual, continued, continuing, continuous, cyclical, direct, endless, featureless, gapless, immediate, incessant, interminable, joined, jointless, linked, machine gun, monotonous, never-ending, nonstop, oscillating, perennial, periodic, perpetual, pulsating, rapid, recurrent, regular, repeated, repetitive, round-the-clock, running, seamless, serried, smooth, stable, staccato, steady, straight, stuttering, sustained, twenty-four-hour, unbroken, unceasing, unchanging, undifferentiated, unending, uniform, unintermitted, unintermitting, uninterrupted, unrelieved, unremitting, unstopped, unvarying, vibrating