adj, name ·Uncommon ·Advanced level

Definitions

Adjective

1. 1
   Pertaining to Hades or hell. not-comparable

   "No Ceres weeps at the Hadean gate!"

2. 2
   Of or relating to the Hadean geological eon. not-comparable

Adjective

1. 1
   of or relating to or characteristic of Hades or Tartarus wordnet

Proper Noun

1. 1
   The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.

Synonyms

All synonyms

hadean timearchaeanchthonianhadean aeonhadean eonhadean time

Example

More examples

"No Ceres weeps at the Hadean gate!"

Etymology

From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.

Related phrases

solar system

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.