9
hollow(adjective, depressed, empty, out, curved)
8
submerged
6
depressed(adjective, depressed, hollow, curved, concave)
6
concave(adjective, depressed, curved, submerged, convex)
6
recessed(adjective, depressed, submerged, concave, hollowed)
6
underground
6
underwater
5
indented(adjective, depressed, hollow, curved, submerged)
5
lowered(adjective, depressed)
4
cavernous(adjective, large, hollow, convex, inward)
4
immersed(adjective, depressed, submerged, hollowed)
4
low(adjective, close, short)
4
submarine
4
sunk
3
dished
3
haggard
3
settled
3
subaqueous
3
submersed
2
buried(adjective, depressed, submerged, hollowed)
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APASmart Define. (2015). sunken thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sunken/thesaurus/synonyms
ChicagoSmart Define. 2015. "sunken thesaurus" https://smartdefine.org/sunken/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, sunken thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sunken/thesaurus/synonyms>.
MLASmart Define. "sunken thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/sunken/thesaurus/synonyms>