Synonyms and related words :
abiding, age-long, aged, ancient, antique, as a bonus, changeless, chronic, commorant, constant, continuing, continuous, diuturnal, durable, dwelling, enduring, evergreen, extant, extra, firm, fixed, for lagniappe, frozen, hardy, immobile, immutable, in residence, indefatigable, intact, intransient, inveterate, inviolate, lasting, left, leftover, living, living in, lodging, long-lasting, long-lived, long-standing, long-term, longeval, longevous, macrobiotic, net, odd, of long duration, of long standing, outstanding, over, over and above, overplus, perdurable, perduring, perennial, permanent, perpetual, persistent, persisting, quiescent, remanent, resident, residentiary, residing, residual, rigid, sempervirent, solid, spare, stable, static, stationary, staying, steadfast, steady, sticking, superfluous, supernumerary, surplus, surviving, sustained, to spare, torpid, tough, unaltered, unceasing, unchangeable, unchanged, unchanging, unchecked, unconsumed, undestroyed, undying, uneaten, unfading, unfailing, unremitting, unshifting, unused, unvaried, unvarying, vital