Synonyms|44Antonyms|1|Broader|1Narrower|0Related|6
3
marine(adjective, sea, oceanographic, hydrographic)
3
nautical(adjective, sea, marine, voyaging, shore)
2
aquatic
2
littoral(oceanographic, hydrographic)
2
maritime(adjective, nautical)
2
shore(oceanographic, hydrographic)
2
tidal
1
Neptunian(oceanographic, hydrographic)
1
coastal(oceanographic, hydrographic)
1
estuarine
1
hydrographic
1
natatorial(oceanographic, hydrographic)
1
navigational(adjective, sea, marine, salty, shore)
1
oceangoing(adjective, sea, marine, voyaging, salty)
1
oceanic
1
oceanographic(adjective, sea, marine, voyaging, salty)
1
of the sea(expression, idiom, oceanographic, hydrographic)
1
pelagic
1
saltwater(oceanographic, hydrographic)
1
seagoing(adjective, sea, marine, voyaging, salty)
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APASmart Define. (2015). Deep-sea thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deep-sea/thesaurus/synonyms
ChicagoSmart Define. 2015. "Deep-sea thesaurus" https://smartdefine.org/deep-sea/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, Deep-sea thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deep-sea/thesaurus/synonyms>.
MLASmart Define. "Deep-sea thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/deep-sea/thesaurus/synonyms>