Synonyms and related words :
abiding, based on, bolstered, borne, braced, buttressed, ceaseless, changeless, chattering, constant, continual, continued, continuing, continuous, durable, enduring, even, firm, fixed, founded on, frozen, grounded on, guyed, held, immobile, immutable, incessant, indefatigable, intact, interminable, inviolate, lasting, level, machine gun, maintained, oscillating, perennial, permanent, perpetual, persistent, prolonged, propped, pulsating, quiescent, rapid, regular, remaining, repeated, rigid, shored up, solid, stable, staccato, static, stationary, stayed, staying, steadfast, steady, sticking, stuttering, supported, torpid, unaltered, unbroken, unceasing, unchangeable, unchanged, unchanging, unchecked, undestroyed, undying, unfading, unfailing, uniform, unintermitted, unintermittent, unintermitting, uninterrupted, unremitting, unshifting, unstopped, unvaried, unvarying, upheld, vibrating