5
seafaring(adjective, nautical)
4
watertight
3
maritime(adjective, nautical)
3
seagoing
3
staunch
2
safe(adjective, fit, perfection)
2
snug
2
caulked
2
marine(adjective, nautical)
2
nautical(adjective, nautical)
2
secure(adjective, fit)
2
waterproof
1
bold
1
consummate
1
cozy
1
equipped
1
faultless
1
finished
1
fireproof
1
harmless
11 years ago|3.5k views|share |citing 
APASmart Define. (2015). seaworthy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/seaworthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "seaworthy thesaurus" https://smartdefine.org/seaworthy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, seaworthy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/seaworthy/thesaurus/synonyms>.
MLASmart Define. "seaworthy thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/seaworthy/thesaurus/synonyms>