1. Dark and dismal as of the rivers Acheron and Styx in Hades
   "in the depths of an Acheronian forest"
   - Acherontic, Stygian

See also: Acheron, dark

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• automation
• automatise
• automatism
• Automatiste
• automatize
• automaton
• automatonlike
• Automeris
• Automeris io
• automobile
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