dateless

1 dating or surviving from the distant past dateless artifacts left by an obscure people of the distant past Synonyms aged, age-old, antediluvian, antique, ancient, hoar, hoary, immemorial, old, venerableRelated Words aging (or ageing), mature; antiquated, archaic, archaistic, dated, fusty, geriatric, medieval (also mediaeval), moldy, Noachian, obsolete, outmoded, out-of-date, passé; old-fashioned, old-time, old-world, retro, vintage; durable, enduring, lasting, long-lived, permanent; ageless, hallowed, time-honored, timeless, time-tested, timeworn, traditional, tried, tried-and-true; classic, classical; prehistoric (also prehistorical), primeval, primordialNear Antonyms fresh, vernal, young, youthful; contemporary, current, latest, mod, novel, present-day, ultramodern; untested, untried; brand-new, unused, unwornAntonyms modern, new, recent

2 lasting forever the dateless cycle of the seasons Synonyms ceaseless, everlasting, deathless, endless, eternal, immortal, permanent, perpetual, undying, unendingRelated Words durable, enduring, lasting, long-lived, persistent, stubborn; imperishable, indefeasible, indefectible, indelible, indestructible, indissoluble, inexpungible; timeless; abiding, stable, standing, steadfast, steady, unfailing, unfaltering; continual, continuing, continuous, incessant, unbroken, unceasing, uninterrupted, unremittingNear Antonyms ephemeral, evanescent, fleeting, fugacious, fugitive, momentary, passing, short-lived, transitory; interim, provisional, short-termAntonyms impermanent, mortal, temporary, transient

3 having an existence or validity that does not change or diminish it is because of their dateless themes that the plays of Shakespeare are still performed today Synonyms ageless, continuing, abiding, enduring, eternal, everlasting, immortal, imperishable, lasting, ongoing, perennial, perpetual, timeless, undyingRelated Words ceaseless, endless, permanent; changeless, constant, stable, stationary, steady, unchanging, unvaryingNear Antonyms antiquated, archaic, dated, obsolete, outdated, outmoded, out-of-date, outworn, passé