What is the Latin word for subterranean?

The usual Latin words for “subterranean” are subterrāneus, crypta, īnfernus. The right choice depends on the sense; see the distinctions below.

English → Latin

“subterranean” in Latin

subterrāneusunderground, subterranean cryptaunderground passage, tunnel; crypt; underground room for rites; vault īnfernusof the lower regions; infernal, hellish

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

subterranean

subterraneus: A subterranean, passage, crypta: to put into a subterranean cavern, aliquem sub terra demittere in locum saxo conseptum (Liv.): the subterranean deities, dii inferi or inferni.

Quick answer

What is the Latin word for subterranean?: The usual Latin words for “subterranean” are subterrāneus, crypta, īnfernus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.