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

• H. pylori
• H.M.S. Bounty
• H2O
• ha
• ha'p'orth
• ha'penny
• ha-ha
• haar
• HAART
• Haastia
• Haastia pulvinaris
• Habacuc
• Habakkuk
• habanera
• habeas corpus
• Habenaria
• Habenaria albiflora
• Habenaria bifolia
• Habenaria chlorantha
• Habenaria dilatata
• Habenaria elegans
• spue
• spumante
• spume
• spumescent