12 entries under hydrographic topic. ×

5
coastal(adjective, water, land, oceanographic)
2
deep-sea
2
marine(adjective, sea, oceanographic)
2
natatorial
1
Neptunian
1
oceangoing
1
oceanographic
1
of the sea(expression, idiom, oceanographic)
1
saltwater
1
seagoing
1
thalassic(adjective, marine, oceanographic)
0
ocean-going
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APASmart Define. (2015). littoral thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/littoral/thesaurus/synonyms
ChicagoSmart Define. 2015. "littoral thesaurus" https://smartdefine.org/littoral/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, littoral thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/littoral/thesaurus/synonyms>.
MLASmart Define. "littoral thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/littoral/thesaurus/synonyms>