4
sea room(noun, expression, offshore, waters, nautical)
3
ocean(noun, sky, air, atmosphere, offshore)
3
Davy Jones's locker(expression, idiom, offshore, waters, nautical)
3
blue water(noun, expression, offshore, waters, nautical)
3
high sea(noun, expression, offshore, waters, nautical)
3
salt waters(noun, expression, offshore, waters, nautical)
3
seven seas(noun, expression, offshore, waters, nautical)
3
main sea(noun, expression, offshore, waters, nautical)
3
deathtrap(noun, risk, danger, unsafe, menace)
3
emergency(noun, risk, danger, unsafe, menace)
3
exposure(noun, risk, danger, unsafe, menace)
3
imperilment(noun, risk, danger, unsafe, menace)
3
insecurity(noun, risk, danger, unsafe, menace)
3
instability(noun, risk, danger, unsafe, menace)
3
jeopardy(noun, risk, danger, unsafe, menace)
3
main(noun, offshore, waters, nautical)
3
menace(noun, risk, danger, unsafe, threat)
3
offing(noun, offshore, waters, nautical)
3
peril(noun, risk, danger, unsafe, menace)
3
pitfall(noun, risk, danger, unsafe, menace)
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APASmart Define. (2016). haven thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/haven/thesaurus/antonyms
ChicagoSmart Define. 2016. "haven thesaurus" https://smartdefine.org/haven/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, haven thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/haven/thesaurus/antonyms>.
MLASmart Define. "haven thesaurus" 20 March 2016. Web. 24 September 2026. <https://smartdefine.org/haven/thesaurus/antonyms>