7
bottom(noun, foundation, bottom, pits, nadir)
5
depth(noun, hole, hollow, gap)
5
nadir(noun, bottom)
4
recess(noun, corner, niche)
3
abyss(noun, hole, hollow, gap, pit)
3
bowels
3
interior
2
Davy Jones's locker
2
base(noun, bottom)
2
bottoms
2
deep(noun, hole, hollow, center, gap)
2
deeps
2
foot(noun, bottom)
2
fork
2
heart
2
insides
2
profundities
2
rock bottom(noun, expression, idiom, bottom, pits)
1
angle
1
apse
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APASmart Define. (2015). depths thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/depths/thesaurus/synonyms
ChicagoSmart Define. 2015. "depths thesaurus" https://smartdefine.org/depths/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, depths thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/depths/thesaurus/synonyms>.
MLASmart Define. "depths thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/depths/thesaurus/synonyms>