1. (a.) Proceeding without interruption or cessation; continuous; unceasing; lasting; abiding.

2. (a.) Occurring in steady and rapid succession; very frequent; often repeated.

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