Meanings
proper noun
alternative Hadaean
- geographyThe Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
adjectiveHadean (not comparable)
alternative Hadaean
- not comparablegeographyOf or relating to the Hadean geological eon.
Synonyms & antonyms
adjectivePertaining to Hades or hell.
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekᾍδης
- EnglishHadean
From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
More words from Ancient Greek
Full word history & related roots →Translations
Dutch hadeïcum
- hadeïcumHadean eon
Estonian hadaikum
- hadaikumHadean eon
Finnish hadeeinen aioni, hadeeinen
- hadeeinen aioniHadean eon
- hadeeinenpertaining to the geological eon
Greek Καταρχαιοζωικός, καταρχαιοζωικός
- Καταρχαιοζωικός (Katarchaiozoïkós)Hadean eon
- καταρχαιοζωικός (katarchaiozoïkós)pertaining to the geological eon
Hungarian hadaikum
- hadaikumHadean eon
Russian катархе́й, азо́й
- катархе́й (katarxéj)Hadean eon
- азо́й (azój)Hadean eon
- гаде́й (gadéj)Hadean eon
- преархе́й (prearxéj)Hadean eon
- приско́й (priskój)Hadean eon
- хэ́дий (xɛ́dij)Hadean eon
Spanish Hádico, hádico
- HádicoHadean eon
- hádicopertaining to the geological eon
Swedish hadeikum, hadeisk
- hadeikumHadean eon
- hadeiskpertaining to the geological eon
Rhymes & wordplay
Rhymes with Hadean
CanadianCaribbeanKoreanIanlienIainTanzanianDalianAcadianradianFijianRianepicureanarcadianpeanpeonAkkadianpaeanMycenaeanpalladianplebeianBarbadianAeaeanApamean
All rhymes →Anagrams
Cite this entry
APA
Hadean. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Hadean
MLA
“Hadean.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hadean. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “Hadean,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Hadean.
Source: Hadean on Wiktionary, CC BY-SA 4.0.