Hadean
/heɪˈdiːən/adjective
Hadean is spelled H-A-D-E-A-N: 6 letters. It appears about once in every 29 million words in written English, the 163,711th most frequent word form (wordfreq, 2021 data). As an adjective, Hadean means “Pertaining to Hades or hell” (English Wiktionary, September 2026).
How many letters and syllables are in Hadean?
| Letters | 6: H-A-D-E-A-N |
|---|---|
| In writing | about once in every 29 million words; the 163,711th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is Hadean?
Hadean appears about once in every 29 million words in written English, the 163,711th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce Hadean?
- /heɪˈdiːən/
- /ˈheɪ.diːən/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-Hadean.wav, Wikimedia Commons (author and licence on each file's page).
Forms of Hadean
- Hadaean
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does Hadean mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Pertaining to Hades or hell.
- 2
Of or relating to the Hadean geological eon.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Hadean in Spanish, French, German and Portuguese
In the sense pertaining to the geological eon:
| Language | Words |
|---|---|
| Spanish | hádico |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does Hadean come from?
From Hades + -an, from Ancient Greek ᾍδης (Hāídēs). By surface analysis, had- + -e- + -an.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).