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Showing results for saltwater. Search instead for altwaren.
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.

A new saltwater lido on the seafront has also been proposed.

From BBC • Mar. 19, 2026

When these two types of water meet, ions from the saltwater move through a specialized ion-selective membrane toward the lower-salinity water.

From Science Daily • Mar. 9, 2026

Out back, there’s a saltwater pool, spa, basketball court, bocce court, putting green, and driving range.

From MarketWatch • Feb. 27, 2026

“It is a moat with saltwater crocodiles, with sharks, and an even more dangerous species—lawyers.”

From The Wall Street Journal • Feb. 5, 2026

I had decided to brine the chicken—a soak in saltwater brine causes meat to absorb moisture and breaks down the proteins that can toughen it on the grill.

From "The Omnivore's Dilemma" by Michael Pollan

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.