Antonyms of adj cavernous

2 senses of cavernous

Sense 1
cavernous -- (being or suggesting a cavern; "vast cavernous chambers hollowed out of limestone")

INDIRECT (VIA hollow) -> solid -- (entirely of one substance with no holes inside; "a solid block of wood")

Sense 2
erectile, cavernous -- (filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood; "erectile tissue"; "the penis is an erectile organ")

INDIRECT (VIA expansive) -> unexpansive -- (showing no tendency to expand; "unexpansive bodies")

Similarity of adj cavernous

2 senses of cavernous

Sense 1
cavernous -- (being or suggesting a cavern; "vast cavernous chambers hollowed out of limestone")
       => hollow (vs. solid) -- (not solid; having a space or gap or cavity; "a hollow wall"; "a hollow tree"; "hollow cheeks"; "his face became gaunter and more hollow with each year")

Sense 2
erectile, cavernous -- (filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood; "erectile tissue"; "the penis is an erectile organ")
       => expansive (vs. unexpansive) -- (able or tending to expand or characterized by expansion; "Expansive materials"; "the expansive force of fire")