longstanding Synonyms

long-standing unnew older age-old long time vintage traditional time-honored surviving spavined senior prevailing ageing Antiguan long-range age-worn in for the long haul as old as the sea yearlong well-established time-consuming long-established deep-rooted longtime long-term persistent permanent perennial enduring durable continuing archaic antique antiquated antediluvian ancient aging aged accumulate established eternal past old-fashioned old matronly long-lived longitudinal longer long lingering