Phlegethontic

English

Adjective

Phlegethontic (comparative more Phlegethontic, superlative most Phlegethontic)

1. Of or relating to the river Phlegethon in the underworld of Ancient Greek mythology.
   • 1867, George MacDonald, Alec Forbes of Howglen, page 319:

     His soul was but a black gulf into which poured the Phlegethontic cataract of their conversation.