Synonyms|26Antonyms|2|Broader|0Narrower|0Related|33
6
submarine
4
submerged
3
underwater
3
sunken
2
subaqueous
2
submersed
2
underseas
1
buried
1
drowned
1
engulfed
1
flooded
1
immersed
1
inundated
1
marine
1
seabed
1
subsea
1
subsurface
0
beneath the ocean(expression, idiom)
0
concave
0
depressed
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APASmart Define. (2015). undersea thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undersea/thesaurus/synonyms
ChicagoSmart Define. 2015. "undersea thesaurus" https://smartdefine.org/undersea/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undersea thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undersea/thesaurus/synonyms>.
MLASmart Define. "undersea thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undersea/thesaurus/synonyms>