Cavernous
Cavernous adjective - Being or suggesting a cavern.
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Synonyms for Cavernous
Open and cavernous are semantically related. In some cases you can use "Open" instead an adjective "Cavernous".
Nearby Word: cavern
Both words in one sentence
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The initial hallway is intimidating enough, but several of the rooms along it open up into cavernous chambers filled with books or hourglasses.
Source: Literature / Discworld -
The large, oversized doors at the far end of his cavernous control room swing open, and in walks the Big Bad himself in an ominous swirl of purple fog...
Source: Fashion-Victim Villain -
Much of it consists of extremely cavernous open spaces.
Source: Film / Star Trek
Cite this Source
Open and Cavernous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/cavernous/open
Cavernous & Open. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/cavernous/open>.
Open or Cavernous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/cavernous/open.
Google Ngram Viewer shows how "cavernous" and "open" have occurred on timeline