32
oceanic(adjective, water, sea, salty, floating)
25
aquatic(adjective, water, sea, salty, ocean)
23
maritime(adjective, water, sea, salty, floating)
14
seafaring(adjective, sea, salty, ocean, nautical)
13
nautical(adjective, sea, ocean, nautical, maritime)
13
naval(adjective, sea, nautical, seagoing)
12
navigational(adjective, sea, salty, nautical, maritime)
11
thalassic(adjective, sea, nautical, underwater, oceanographic)
11
pelagic(adjective, sea, ocean, oceanic)
10
leatherneck
10
seagoing(adjective, sea, ocean, oceanographic, hydrographic)
9
navy(noun, ship, combatant)
7
fleet(noun, ship, combatant)
7
sailor(noun, person, combatant, mariner)
7
ocean-going(adjective, sea, oceanographic, hydrographic)
6
armada(noun, combatant)
6
flotilla(noun, ship, combatant)
6
hydrographic(adjective, sea, ocean, oceanographic)
5
bluejacket
5
sea
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APASmart Define. (2016). Marine thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/marine/thesaurus/synonyms
ChicagoSmart Define. 2016. "Marine thesaurus" https://smartdefine.org/marine/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, Marine thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/marine/thesaurus/synonyms>.
MLASmart Define. "Marine thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/marine/thesaurus/synonyms>