Thesaurus.com
Dictionary.com
Showing results for saltwater. Search instead for kaltwassern.
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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If guests aren’t entertained enough with the indoor amenities, they can lounge at the 40-foot saltwater pool with solar heating.

From MarketWatch • Apr. 28, 2026

Osmotic energy, often referred to as blue energy, is an emerging method for producing renewable electricity by harnessing the natural mixing of saltwater and freshwater.

From Science Daily • Mar. 9, 2026

Not only did it continue operating effectively, it also removed sodium ions from the saltwater solution.

From Science Daily • Feb. 19, 2026

A project to restore vast meadows of a saltwater plant to the Humber Estuary has reached a major milestone, experts say.

From BBC • Feb. 4, 2026

When it was ordered that the soldiers should bathe in saltwater twice daily to fend off disease, I saw a regiment walk into the sea at dawn.

From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume II: The Kingdom on the Waves" by M.T. Anderson