1810, from or by influence of French archaique (1776), ultimately from Greek arkhaikos "old-fashioned," from arkhaios "ancient," from arkhe "beginning" (see archon). Arch [..]

old-fashioned or having characteristics of an earlier period.

In archaeology, this term is often used to designate an early period in a culture's history. In Greece it designates the chronological period that preceeded the classical period. In the New World [..]

(revision in progress) Archetype:

adj. Antiquated

Mainly sculpture with Egyptian influences. Statues were stiffly posed, usually of wood or marble sheathed in gold. Buildings were covered with painted marble reliefs. Gold and silver were used extensi [..]

(adj) so extremely old as seeming to belong to an earlier period(adj) little evolved from or characteristic of an earlier ancestral type

(6500-1500 B.C.) Archaic people hunted and gathered wild food, adjusting to a warmer, drier climate. They used natural shelters and temporary structures as homes, traveling seasonally to find resources. Hunters at this time used atlatls (spear throwers) and darts as weapons.

a New World cultural period, about 10,000-3000 BP, marked by mobile gathering-and-hunting life and a mostly egalitarian social organization

Ancient.

Ancient; old; in jungian psychology, denoting the ancestral past of mental processes. Origin: G. Archaikos, ancient (05 Mar 2000)

A period of Native American culture beginning 10,000 years ago and ending 3,000 years ago in Illinois. During the Archaic period, Native American's developed ground stone tool technology, plant c [..]

Very old or old fashioned. No longer in use.

(archaeology,US|usually capitalized) A general term for the prehistoric period intermediate between the earliest period (‘[http://en.wikipedia.org/wiki/Paleo-Indian Paleo-Indian]’, ‘Paleo-American’, [..]