2. RELATIVE TIME; Time with reference to succession
maturity; decline, decay; senility [more].
seniority, eldership, primogeniture.
archaism (the past) [more]; thing of the past, relic of the past; megatherium; Sanskrit.
tradition, prescription, custom, immemorial usage, common law.
prime; primitive, primeval, primigenous; paleoanthropic, paleolithic, primordial, primordinate; aboriginal (beginning) [more]; diluvian, antediluvian; protohistoric; prehistoric; antebellum, colonial, precolumbian; patriarchal, preadamite; paleocrystic; fossil, paleozoic, preglacial, antemundane; archaic, classic, medieval, Pre-Raphaelite, ancestral, black-letter.
immemorial, traditional, prescriptive, customary, whereof the memory of man runneth not to the contrary; inveterate, rooted.
antiquated, of other times, rococo, of the old school, after-age, obsolete; out of date, out of fashion, out of it; stale, old-fashioned, behind the age; old-world; exploded; gone out, gone by; passe, run out; senile [more]; timeworn; crumbling (deteriorated) [more]; secondhand.
old as the hills, old as Methuselah, old as Adam, old as history.