[ fleg-uh-thon, flej- ]
/ ˈflɛg əˌθɒn, ˈflɛdʒ- /


Also called Pyriphlegethon. Classical Mythology. a river of fire, one of five rivers surrounding Hades.
(often lowercase) a stream of fire or fiery light.

Origin of Phlegethon

< Latin < Greek, noun use of phlegéthōn blazing, present participle of phlegéthein to blaze. See phlegm

Related forms

Phleg·e·thon·tal, Phleg·e·thon·tic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for phlegethon

British Dictionary definitions for phlegethon


/ (ˈflɛɡɪˌθɒn) /


Greek myth a river of fire in Hades

Word Origin for Phlegethon

C14: from Greek, literally: blazing, from phlegethein to flame, blaze
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012