5
concavo-concave
4
concave(adjective, depressed, hollow, curved, pockmarked)
2
crescent
1
hollow(adjective, depressed, curved, dished)
0
alveolate
0
carved out
0
crescent-shaped
0
cupped(adjective, depressed, hollow, curved, concave)
0
curved
0
curved in
0
deep-set
0
demi-lune
0
dimpled(adjective, depressed, hollow, curved, concave)
0
hollowed(adjective, depressed, hollow, curved, dished)
0
incurvate(adjective, depressed, hollow, curved, concave)
0
incurvated(adjective, depressed, hollow, curved, concave)
0
incurved(adjective, depressed, hollow, curved, concave)
0
not solid
0
semi-lune
11 years ago|625 views|share |citing 
APASmart Define. (2015). biconcave thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/biconcave/thesaurus/synonyms
ChicagoSmart Define. 2015. "biconcave thesaurus" https://smartdefine.org/biconcave/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, biconcave thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/biconcave/thesaurus/synonyms>.
MLASmart Define. "biconcave thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/biconcave/thesaurus/synonyms>