1 maintained at length without interruption or weakening; "sustained flight"
2 (of an electric arc) continuous; "heat transfer to the anode in free burning arcs" [syn: free burning]
- Rhymes: -eɪnd
- past of sustain
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