9
submerged(adjective, depth)
6
underwater
5
subaquatic
5
submersed
4
deep(adjective, down, far, low-set, depth)
4
submarine(noun, depth)
3
aquatic
3
buried
2
semiaquatic
2
sunken
1
amphibiotic
1
beneath(low-set, low-lying, subjacent)
1
drowned
1
engulfed
1
flooded
1
immersed
1
inundated
1
low(low-set, low-lying, subjacent)
1
profound
1
subterranean(adjective, depth)
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). subaqueous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/subaqueous/thesaurus/synonyms
ChicagoSmart Define. 2015. "subaqueous thesaurus" https://smartdefine.org/subaqueous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, subaqueous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/subaqueous/thesaurus/synonyms>.
MLASmart Define. "subaqueous thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/subaqueous/thesaurus/synonyms>