Synonym of ex

former sometime one-time erstwhile lapsed

once bygone late old past preceding previous quondam

prior earlier antecedent anterior foregoing precedent

departed above ancient first aforementioned aforesaid ex- long ago long gone of yore whilom

dead asleep cold deceased defunct exanimate extinct inanimate lifeless onetime

leaving departing last retiring withdrawing migratory outbound outward-bound

olden early recent latter over ages ago ancient history back when behind one bypast down memory lane gone-by good old days latter-day long-ago olden days retired time was way back way back when

past love old flame first love blast from the past