untrodden, untrod, unbeaten; fire-new, span-new.
     late, modern, neoteric, hypermodern, nouveau; new-born, nascent,
neonatal[med.], new-fashioned, new-fangled, new-fledged; of yesterday; just out, brand-new, up to date, up to the minute, with it, fashionable, in fashion; in, hip [coll.]; vernal, renovated, sempervirent[obs3], sempervirid[obs3].
     fresh as a rose, fresh as a daisy, fresh as paint; spick and span. 
     Adv. newly &c. adj.; afresh, anew, lately, just now, only yesterday,
the other day; latterly, of late. not long ago, a short time ago. 
     Phr. di novello tutto par bello[It]; nullum est jam dictum quod non
dictum est prius[Lat]; una scopa nuova spazza bene[It].

     #124.  Oldness. —­ N. oldness &c. adj[obs3].; age, antiquity; cobwebs
of antiquity; maturity; decline, decay; senility &c. 128.
     seniority, eldership, primogeniture; archaism &c. (the past) 122;
thing of the past, relic of the past; megatherium[obs3]; Sanskrit.
     tradition, prescription, custom, immemorial usage, common law. 
     V. be old &c. adj.; have had its day, have seen its day; become old
&c. adj.; age, fade, senesce. 
     Adj. old, ancient, antique; of long standing, time-honored, venerable;
elder, eldest; firstborn.
     prime; primitive, primeval, primigenous[obs3]; paleolontological,
paleontologic, paleoanthropological, paleoanthropic[obs3], paleolithic; primordial, primordinate[obs3]; aboriginal &c. (beginning) 66; diluvian[obs3], antediluvian; protohistoric[obs3]; prehistoric; antebellum, colonial, precolumbian; patriarchal, preadamite[obs3]; paleocrystic[obs3]; fossil, paleozoolical, paleozoic, preglacial[obs3], antemundane[obs3]; 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obsolete; out of date, out of fashion, out of it; stale, old-fashioned, behind the age; old-world; exploded; gone out, gone by; passe, run out; senile &c. 128; time worn; crumbling &c. (deteriorated) 659; secondhand.
     old as the hills, old as Methuselah, old as Adam[obs3], 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 (list)] 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. 
     Adv. since the world was made, since the year one, since the days of
Methuselah. 
     Phr. vetera extollimus recentium incuriosi [Lat][Tacitus].