3
abyss(noun, nature, environment, crack, gap)
2
CORE
2
cave
2
cavern
2
cavern out
2
cavity
2
dig
2
dig out
2
draw in
2
excavate
2
gouge(noun, verb)
2
hole
2
pit(noun, verb)
2
rout
2
scallop
2
scollop
2
scoop out
2
suck in
2
undermine
1
basin(verb, adjective)
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APASmart Define. (2015). hollow thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hollow/thesaurus/narrower
ChicagoSmart Define. 2015. "hollow thesaurus" https://smartdefine.org/hollow/thesaurus/narrower (accessed September 24, 2026).
HarvardSmart Define 2015, hollow thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hollow/thesaurus/narrower>.
MLASmart Define. "hollow thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/hollow/thesaurus/narrower>