Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Of or relating to an organization involved in secret or illegal activity:
Find another word for hypogeal. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for hypogeal, like: epigeal, hypogean, hypogeous, subterranean, subterrestrial, underground and surface.