(a. & adv.) Past; gone by; since; as, ten years ago; gone long ago.

antiquated antique back back when backward blown over by bygone bypast dated dead dead and buried deceased defunct departed elapsed expired extinct finished forgotten gone gone by gone glimmering gone-by has-been into the past irrecoverable lapsed no more obsolete over passe passed passed away past reminiscently retroactively retrospectively run out since vanished wound up