archaic

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

No longer in ordinary use, though still used occasionally to give a sense of antiquity and still likely to be understood by well-educated speakers and are found in historical texts.

Belonging to the archaic period.

(US) The prehistoric period intermediate between the earliest period (‘Paleo-Indian’, ‘Paleo-American’, ‘American‐paleolithic’, etc.) of human presence in the Western Hemisphere, and the most recent prehistoric period (‘Woodland’, etc.).

(A member of) an archaic variety of Homo sapiens.