55 entries under noun topic. ×

13
depression(drop, decline, fall, dish)
11
cavity(impression, dip, void, hollow)
11
dent(depression, impression, dip, hollow)
11
dip(drop, decline, fall, depression)
10
hole(drop, decline, fall, depression)
10
hollow(drop, area, decline, fall)
10
indentation(depression, impression, dip, hollow)
9
dimple(depression, impression, dip, hollow)
8
basin(drop, area, decline, fall)
8
pit(depression, impression, dip, hollow)
7
impression(depression, dip, hollow, pocket)
7
incurvation(bend, bow, loop, arch)
6
concaveness
6
incurvature(bend, bow, loop, arch)
5
crater(depression, impression, dip, hollow)
5
hollowness
4
bowl(depression, dish, impression, sink)
4
cave(receptacle, interiority)
4
concave shape(expression, idiom)
4
sag(drop, decline, fall, sink)
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APASmart Define. (2015). concavity thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/concavity/thesaurus/synonyms
ChicagoSmart Define. 2015. "concavity thesaurus" https://smartdefine.org/concavity/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, concavity thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/concavity/thesaurus/synonyms>.
MLASmart Define. "concavity thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/concavity/thesaurus/synonyms>