Synonyms|263Antonyms|50|Broader|10Narrower|16Related|162
3
cavity
3
recess
3
dint
2
crater
2
groove
1
depression
1
basin
1
concavity
1
dent
0
dimple
0
indentation
0
bowl
0
deflation
0
dip
0
hole
0
hollow
0
impression
0
indenture
0
trench
0
trough
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APASmart Define. (2015). protrusion thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/protrusion/thesaurus/antonyms
ChicagoSmart Define. 2015. "protrusion thesaurus" https://smartdefine.org/protrusion/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, protrusion thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/protrusion/thesaurus/antonyms>.
MLASmart Define. "protrusion thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/protrusion/thesaurus/antonyms>