11 entries under depth topic. ×

7
subterranean
6
underground
4
buried
3
submarine
2
subaqueous
2
submerged
1
profound
1
subterrene
0
deep
0
deep seated(expression, idiom)
0
sunk
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APASmart Define. (2015). subterraneous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/subterraneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "subterraneous thesaurus" https://smartdefine.org/subterraneous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, subterraneous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/subterraneous/thesaurus/synonyms>.
MLASmart Define. "subterraneous thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/subterraneous/thesaurus/synonyms>