(archaeology, US, usually capitalized) A general term for the prehistoric period intermediate between the earliest period (‘Paleo-Indian’, ‘Paleo-American’, ‘American‐paleolithic’, &c.) of human presence in the Western Hemisphere, and the most recent prehistoric period (‘Woodland’, etc.).

Of or characterized by antiquity; old-fashioned, quaint, antiquated.

In an archaic manner.

plural of archaic

Archaic form of archaic.

To archaize.

(linguistics) Alternative form of archaism

The quality of being archaic.

The quality of being archaic.

present participle of archaicize