So extremely old as seeming to belong to an earlier period.

synonyms: antediluvian, archaic.

Roget 128: aged; old etc. 124; elderly, geriatric, senile; matronly, anile^†; in years; ripe, mellow, run to seed, declining, waning, past one's prime; gray, gray-headed; hoar, hoary; venerable, time-worn, antiquated, passe, effete, decrepit, superannuated; advanced in life, advanced in years; stricken in years; wrinkled, marked withthe crow's foot; having one foot in the grave; doting etc. (imbecile) 499; like the last of pea time.    older, elder, eldest; senior; firstborn.    turned of, years old; of a certain age, no chicken, old as Methuselah; ancestral, patriarchal, etc. (ancient) 124; gerontic.    ... show more

Roget 124: old, ancient, antique; of long standing, time-honored, venerable; elder, eldest; firstborn.    prime; primitive, primeval, primigenous^†; paleolontological, paleontologic, paleoanthropological, paleoanthropic^†, paleolithic, primordial, primordinate^†; aboriginal etc. (beginning) 66; diluvian^†, antediluvian; protohistoric^†; prehistoric; antebellum, colonial, precolumbian; patriarchal, preadamite^†; paleocrystic^†; fossil, paleozoolical, paleozoic, preglacial^†, antemundane^†; archaic, classic, medieval, Pre-Raphaelite, ancestral, black-letter.    immemorial, traditional, prescriptive, customary, whereof the memory of man runneth not to the 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    antiquated, of other times, rococo, of the old school, after-age, obsolete; out of date, out of fashion, out of it; stale, old-fashioned, behind the age; old-world; exploded; gone out, gone by; passe, run out; senile etc. 128; time worn; crumbling etc. (deteriorated) 659; secondhand.    old as the hills, old as Methuselah, old as Adam^†, old as history.    [geological eras (list, starting at given number of years bp)] Archeozoic [5,000,000,000], Proterozoic [1,500,000,000], Paleozoic [600,000,000], Mesozoic [220,000,000], Cenozoic [70,000,000]. [geological periods] Precambrian, Cambrian [600,000,000], Ordovician [500,000,000], Silurian [440,000,000], Devonian [400,000,000], Mississippian [350,000,000], Pennsylvanian [300,000,000], Permian [270,000,000], Triassic [220,000,000], Jurassic [180,000,000], Cretaceous [135,000,000], Tertiary [70,000,000], Paleogene [70,000,000], Neocene [25,0000,000], Quaternary [1,000,000]. [geological epochs (list, starting at 70,000,000 years bp)] Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Recent.    ... show more

Polish: archaiczny, starodawny