mossy

having passed its time of use or usefulness mossy rules of etiquette that date from the Victorian era Synonyms antiquated, archaic, dated, démodé, demoded, fossilized, kaput (also kaputt), medieval (also mediaeval), moribund, obsolete, moth-eaten, neolithic, Noachian, outdated, outmoded, out-of-date, outworn, passé, prehistoric (also prehistorical), rusty, Stone Age, superannuatedRelated Words aging (or ageing), obsolescent; discarded, disused, inoperable, unusable, unworkable, useless; dead, defunct, expired, extinct, vanished; dormant, fallow, free, idle, inactive, inert, inoperative, latent; ancient, antediluvian, antique, dateless, fusty, musty, old; oldfangled, old-fashioned, old-time, retro, vintage; aged, age-old, hoary, venerable; atavistic, bygone, erstwhile, former, historic, historical, late, old-world, pastNear Antonyms contemporary, current, mod, modern, new, newfangled, new-fashioned, present-day, recent, ultramodern, up-to-date, up-to-the-minute; fresh; modernized, refurbished, remodeled, renewed; functional, operable, operational, workable; active, alive, busy, employed, functioning, operating, operative