61 entries under concavity topic. ×

5
dint(noun, verb, cut, mark, hit)
5
sinus(noun, space, hole, pocket, cavity)
4
dishing(verb, rimming, excavate, indent, blether)
4
hollowness(noun, opening, void, emptiness)
3
alveolus
3
cup-shaped(adjective, empty, out)
3
depress(cut, mark, hit, bump, knock)
3
follicle
3
infundibular(adjective, empty, out)
3
lacuna(noun, break, cut, crack, rest)
3
scoop out(verb, expression, phrasal verb, expand, dig)
2
infundibuliform
2
mine(noun, well, dig, hole, pit)
2
retiring
2
retreating
2
tunnel
1
alveolate(adjective, empty, out)
1
arched(adjective, empty, out)
1
capsular
1
gouge out(verb, expression, phrasal verb, scoop)
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APASmart Define. (2015). hollow thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hollow/thesaurus/synonyms
ChicagoSmart Define. 2015. "hollow thesaurus" https://smartdefine.org/hollow/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, hollow thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hollow/thesaurus/synonyms>.
MLASmart Define. "hollow thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/hollow/thesaurus/synonyms>