continuous (part of speech: adjective)
gapless, constant, monolithic, sequential, perpetual, cyclical, unremitting, indefatigable, consistent, ceaseless, coherent, undeviating, interminable, regular, homogeneous, everlasting, invariable, lasting, uniform, consecutive, continuous, monotonous, robot-like, recurrent, endless, unchanging, unchangeable, incessant, undying, straight, unvarying, flat, nonstop, steady, even, persistent, unending, continual, unceasing, repeated, perennial, level, connected, repetitive, unbroken, habitual, un-intermittent, continuing, seamless
shapeless (part of speech: adjective)
- The dawn was just beginning to break up the featureless blackness of the small hours. - "The Passionate Friends", Herbert George Wells.
- Pin's chubby, featureless little face lengthened with apprehension. - "The Getting of Wisdom", Henry Handel Richardson.
- It had filled out; it had bloomed in her happiness; it was shadowless, featureless almost, like a flower. - "The Flaw in the Crystal", May Sinclair.