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

• homophobic
• homophone
• homophonic
• homophonous
• homophony
• Homoptera
• homopteran
• homopterous
• homopterous insect
• homosexual
• homosexualism
• homosexuality
• homosporous
• homospory
• homostyled
• homostylic
• homostylous
• homotherm
• homothermic
• homothetic
• homozygosity
• homozygote
• homozygous
• homunculus
• homy