Cave in
Cave in verb - To fall down or in as a result of physical pressure.
Hollow out and cave in are semantically related. In some cases you can use "Hollow out" instead a verb "Cave in".
Hollow out
Hollow out verb - Remove the interior of.
Cave in and hollow out are semantically related. Sometimes you can use "Cave in" instead a verb "Hollow out".
Cite this Source
Hollow out and Cave in. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cave_in/hollow_out
Cave in & Hollow out. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cave_in/hollow_out>.
Hollow out or Cave in. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cave_in/hollow_out.
Google Ngram Viewer shows how "cave in" and "hollow out" have occurred on timeline