- of or relating to the underworld
WordReference Random House Unabridged Dictionary of American English © 2026
chtho•ni•an
(thō′nē ən),USA pronunciation adj. [Class. Myth.]
- Mythologyof or pertaining to the deities, spirits, and other beings dwelling under the earth.
- Greek chthóni(os) (chthon-, stem of chthó̄n earth + -ios adjective, adjectival suffix) + -an; akin to Latin humus earth (see humus)
- 1840–50
Collins Concise English Dictionary © HarperCollins Publishers::
chthonian /ˈθəʊnɪən/, chthonic /ˈθɒnɪk/ adj
'chthonian' also found in these entries (note: many are not synonyms or translations):