(a.) Antiquated; obsolete; as an archaic usage of a word\.

Gothic Victorian abandoned abjured antediluvian antiquated antique behind the times bygone classical dated deserted discontinued disused done with fossil fossilized grown old medieval mid-Victorian not worth saving obsolescent obsolete of other times old old-fashioned old-timey old-world on the shelf out out of use out-of-date outdated outmoded outworn passe past use pensioned off petrified relinquished renounced resigned retired superannuate superannuated superseded undeveloped worn-out