[ hey-deez ]
/ ˈheɪ diz /


Classical Mythology.
  1. the underworld inhabited by departed souls.
  2. the god ruling the underworld; Pluto.
(in the Revised Version of the New Testament) the abode or state of the dead.
(often lowercase) hell.

Origin of Hades

First recorded in 1590–1600


Ha·de·an [hey-dee-uh n, hey-dee-uh n] /heɪˈdi ən, ˈheɪ di ən/, adjective

Definition for hades (2 of 2)

[ heyd ]
/ heɪd /


Geology. the angle between a fault plane and the vertical, measured perpendicular to the strike of the fault; complement of the dip.
Mining. the inclination of a vein or seam from the vertical.

verb (used without object), had·ed, had·ing.

(of a fault, vein, or seam) to incline from a vertical position.

Origin of hade

First recorded in 1675–85; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for hades

British Dictionary definitions for hades (1 of 2)

/ (ˈheɪdiːz) /


Greek myth
  1. the underworld abode of the souls of the dead
  2. Pluto, the god of the underworld, brother of Zeus and husband of Persephone
New Testament the abode or state of the dead
(often not capital) informal hell

Derived forms of Hades

Hadean (heɪˈdiːən, ˈheɪdɪən), adjective

British Dictionary definitions for hades (2 of 2)

/ (heɪd) geology /


the angle made to the vertical by the plane of a fault or vein


obsolete (intr) (of faults or veins) to incline from the vertical

Word Origin for hade

C18: of unknown origin
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

Cultural definitions for hades


[Roman name Pluto]

The Greek and Roman god of the underworld and the ruler of the dead. Also called Dis. The underworld itself was also known to the Greeks as Hades.

notes for Hades

The Greek and Roman underworld later became associated with the hell of Christianity, as in the expression “hot as Hades.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.