Thesaurus.com
Dictionary.com
Showing results for saltwater.
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

Other impressive features on the grounds include a saltwater pool; vegetable gardens; a wildflower meadow; an orchard of cherry, apple, and peach trees; and a sports court—ideal for Paul’s training.

From MarketWatch • Apr. 8, 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

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

“We haven’t even gotten to great white sharks or saltwater crocodiles or Indonesian needlefish or—” “OK, OK,” I say, laughing and holding up my hands for him to stop.

From "Everything, Everything" by Nicola Yoon