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Definition of saltwater

saltwater

/ˈsɔːltˌwɔːtər/
salt · wa · ter
Plural:saltwaters
•
Adjective:saltwater
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saltwater Lexical Profile

saltwater Game Scores & Validity

• adjective

1

Of, relating to, or living in water that contains a high concentration of dissolved salt, such as the ocean.

Example

"The public aquarium features a massive tank filled with colorful saltwater fish and coral reefs."

Synonyms
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Antonyms
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• noun

1

Water containing a significant concentration of dissolved salts, especially the water found naturally in seas and oceans.

Example

"Desalination plants convert saltwater from the ocean into clean drinking water for coastal cities."

Synonyms
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Antonyms
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Word Nuance & Usage

Often written as one word ('saltwater') when used as an adjective before a noun (e.g., 'saltwater fish'), and as two words ('salt water') when used as a noun, though the single-word form is increasingly common for both.

• Nearby Words

saltpeter
saltshaker
saltsprinkler
saltwater
saltwater crocodile
saltworks
salty

Cite this Entry

Wordmom. (2026). Definition of Saltwater. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/saltwater
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