1. Dark and dismal as of the rivers Acheron and Styx in Hades
   - Acheronian, Stygian

See also: dark

• ataraxic
• ataraxis
• ataraxy
• Ataturk
• atavism
• atavist
• atavistic
• ataxia
• ataxic
• ataxic abasia
• ataxic aphasia
• ataxy
• Atayalic
• Ate
• atelectasis
• ateleiosis
• ateleiotic
• Ateles
• Ateles geoffroyi
• atelier
• ateliosis
• atemporal
• Aten
• atenolol
• ateria gastrica dextra