1. So extremely old as seeming to belong to an earlier period
   "archaic laws"
   - antediluvian, antiquated 
2. Little evolved from or characteristic of an earlier ancestral type
   "archaic forms of life"
   - primitive

See also: early, old

Encyclopedia: Archaic

• talk about
• talk down
• talk into
• talk of
• talk of the town
• talk out of
• talk over
• talk shop
• talk show
• talk terms
• talk through one's hat
• talk turkey
• talkative
• talkatively
• talkativeness
• talker
• talker identification
• talkie
• talkily
• talking
• talking book
• talking head
• talking picture
• talking point
• talking to