5
shipping(noun, adjective, ship, nautical)
4
deep-sea(adjective, sea, oceanographic, hydrographic)
4
merchant marine(noun, expression, idiom, combatant, navy)
3
devil dog(noun, expression, idiom)
3
abyssal(adjective, sea)
3
blue(adjective, shade, colour, tone)
3
cadet
3
jolly
3
midshipman(noun, mariner)
3
oceanographic(adjective, sea, hydrographic)
3
saltwater(adjective, sea, oceanographic, hydrographic)
3
shipboard soldier(noun, expression, idiom)
3
transportation(noun, adjective)
3
underwater
3
warrior(noun, war, military, army)
2
bathybic
2
boot
2
coastal(adjective, sea, oceanographic, hydrographic)
2
gob
2
littoral(adjective, sea, oceanographic, hydrographic)
10 years ago|8.7k views|share |citing 
APASmart Define. (2016). marine thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/marine/thesaurus/synonyms
ChicagoSmart Define. 2016. "marine thesaurus" https://smartdefine.org/marine/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, marine thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/marine/thesaurus/synonyms>.
MLASmart Define. "marine thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/marine/thesaurus/synonyms>