archaic Meaning, Definition & Usage

  1. adjective satellite so extremely old as seeming to belong to an earlier period
    antiquated; antediluvian.
    • a ramshackle antediluvian tenement
    • antediluvian ideas
    • archaic laws
  2. adjective satellite little evolved from or characteristic of an earlier ancestral type
    primitive.
    • archaic forms of life
    • primitive mammals
    • the okapi is a short-necked primitive cousin of the giraffe

WordNet

Ar*cha"ic adjective
Etymology
Gr. old-fashioned, fr. ancient.
Definitions
  1. Of or characterized by antiquity or archaism; antiquated; obsolescent.

Webster 1913