(a.) Continuing without interruption; unceasing; uninterrupted; continual; as, incessant clamors; incessant pain\.

ageless articulated catenated ceaseless chattering coeternal concatenated connected constant continual continued continuing continuous cyclical dateless direct endless eternal eterne ever-being ever-durable ever-during ever-recurring everlasting everliving featureless frequent gapless haunting immediate immemorial indestructible infinite interminable joined jointless linked machine gun monotonous never-ceasing never-ending nonstop nonterminating nonterminous olamic oscillating perdurable perennial periodic permanent perpetual pulsating rapid reappearing recurrent recurring regular repeated repetitive returning revenant round-the-clock running seamless sempiternal serried smooth stable staccato steady straight stuttering sustained thematic thick-coming timeless twenty-four-hour ubiquitous unbroken unceasing unchanging undifferentiated unending uniform unintermitted unintermittent unintermitting uninterrupted unrelieved unremitting unstopped unvarying vibrating without end