sea

noun

ˈsē How to pronounce sea (audio)
Definition of seanext
as in ocean
the whole body of salt water that covers nearly three-fourths of the earth millions of plants and animals live in the sea

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of sea Scientists predict that South Florida could see two feet of sea rise by 2060 and potentially up to six feet by 2100. — Alex Harris, Miami Herald, 27 Oct. 2026 The scientists concluded Gerrothorax maritimus lived in the ocean because the fossils were found in deep sea sediments and were nearly complete skeletons. — Tarini Mehta, Sacbee.com, 26 Oct. 2026 The conflict led to a blockade of the Strait of Hormuz, an important Persian Gulf sea-passage for crude oil. — Dylan Lysen, Kansas City Star, 26 Oct. 2026 Perhaps that ties back to the untamed landscape of volcanoes and rough seas that piqued his curiosity in the first place. — Caitlin Babcock, Christian Science Monitor, 26 Oct. 2026 See All Example Sentences for sea
Recent Examples of Synonyms for sea
ocean
Noun
  • Microplastics have been found in the ocean, air, food and water, as well as a range of human tissues.
    — Arkansas Online, Arkansas Online, 24 Oct. 2026
  • An ocean bordered by dozens of countries would be far harder to rename than a gulf or a lake.
    — Bilin Lin, Fortune, 23 Oct. 2026
Definition of ocean

Phrases Containing sea

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scuzzy
sea
seabag
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Cite this Entry

“Sea.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sea. Accessed 28 Oct. 2026.

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More from Merriam-Webster on sea

Britannica.com: Encyclopedia article about sea

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