Cavernous underworld Synonyms

Cavernous replaced

vast underworld

deep underworld

big underworld

enormous underworld

full underworld

high underworld

Definitions for Cavernous

(adjective) being or suggesting a cavern
(adjective) filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood

Synonyms for phrase

CU abbreviation

CU is an abbreviation for Cavernous Underworld

What does CU stand for?

CU stands for "Cavernous Underworld"

Definitions for Underworld

(noun) a social sphere that exists outside of the mainstream
(noun) ( religion ) the world of the dead
(noun) the criminal class