Definitions

saltwater

[sawlt-waw-ter, -wot-er] / ˈsɔltˈwɔ tər, -ˈwɒt ər /

ADJECTIVE

marine

Synonyms

STRONGEST

aquatic coastal deep-sea maritime naval seagoing

STRONG

littoral nautical oceanic sea seafaring seashore seaside shore

WEAK

Neptunian abyssal hydrographic natatorial navigational ocean-going oceanographic pelagic

Antonyms

WEAK

freshwater

ADJECTIVE

marine/maritime

Synonyms

WEAK

Neptunian abyssal aquatic coastal deep-sea hydrographic littoral natatorial nautical naval navigational oceangoing oceanic oceanographic of the sea pelagic sea seafaring seagoing seashore seaside shore

ADJECTIVE

thalassic

Synonyms

WEAK

Neptunian abyssal aquatic coastal deep-sea hydrographic littoral maritime natatorial nautical naval navigational oceangoing oceanic oceanographic of the sea pelagic sea seafaring seagoing seashore seaside shore

Example Sentences

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saltwater

Congress established the National Academies in 1863 to advise on science—e.g., fixing the weights and measures of currency and methods for protecting ship hulls from saltwater corrosion.

From The Wall Street Journal ● Jul. 19, 2026

The unique conditions the process demanded -- pumping saltwater in and out to maintain a shallow depth -- were also the perfect environment for hungry wading birds.

From Barron's ● Jul. 15, 2026

The former lawyer who secured a Rights of Nature recognition for a Spanish saltwater lagoon believes it could.

From BBC ● Jun. 27, 2026

Genetic evidence now shows the Seychelles animals were closely connected to saltwater crocodiles living thousands of kilometers away.

From Science Daily ● May 28, 2026

“It converts saltwater into freshwater,” I tell him.

From "Dry" by Neal Shusterman and Jarrod Shusterman

saltwater

Example Sentences

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