20 entries under concavity topic. ×

6
concavity
5
depression
4
cavity(noun, opening, void, hollow, emptiness)
4
hollow(opening, void, emptiness, vacuum)
3
indentation
2
dent
2
pit
1
alveolus
1
dimple
1
dint
1
dip
1
excavation
1
follicle
1
lacuna(opening, void, hollow)
0
furrow
0
honeycomb
0
intaglio
0
sinus
0
strip mine(expression, idiom)
0
trough
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). hollowness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hollowness/thesaurus/synonyms
ChicagoSmart Define. 2015. "hollowness thesaurus" https://smartdefine.org/hollowness/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hollowness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hollowness/thesaurus/synonyms>.
MLASmart Define. "hollowness thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/hollowness/thesaurus/synonyms>