20
seafaring(adjective, sea, navigation, marine, ocean)
18
maritime(adjective, sea, navigation, marine, ocean)
17
naval(adjective, sea, navigation, marine, seagoing)
17
marine(adjective, sea, ocean, maritime, seafaring)
10
navigational(adjective, sea, marine, maritime, seafaring)
7
sailing(adjective, sea, navigation, marine)
7
seagoing(adjective, sea, navigation, voyaging, oceanographic)
5
oceanic(adjective, sea, marine, ocean, maritime)
5
deep-sea(adjective, sea, voyaging, oceanographic)
5
sailorly(adjective, sea, voyaging, oceanographic)
5
yachting(adjective, sea, voyaging, oceanographic)
4
ocean-going
4
oceanographic(adjective, sea)
4
pelagic(adjective, sea)
4
shipping(noun, adjective)
3
boating(adjective, sea, marine, maritime, seafaring)
3
salty(adjective, sea)
3
thalassic(adjective, sea, marine)
3
sea
2
transportation(noun, adjective)
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APASmart Define. (2015). nautical thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/nautical/thesaurus/synonyms
ChicagoSmart Define. 2015. "nautical thesaurus" https://smartdefine.org/nautical/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, nautical thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/nautical/thesaurus/synonyms>.
MLASmart Define. "nautical thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/nautical/thesaurus/synonyms>