- The definition of cavernous is vast or filled with caverns or cavities.
An example of something cavernous is a huge room in a mansion, a cavernous room.
The cavernous interiior of a cathedral.
- full of caverns
- full of cavities; porous
- like or characteristic of a cavern; deep-set, hollow, etc.: a cavernous voice, cavernous cheeks
Origin of cavernousMiddle English ; from Classical Latin cavernosus
- Filled with caverns.
- Resembling a cavern, as in depth, vastness, or effect: a cavernous yawn; cavernous echoes.
- Anatomy Filled with cavities or hollow areas; porous.