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

Relevance

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 And Project Bond is joining quite the collection of spies—er, vessels—on the seas. — Nicole Hoey, Robb Report, 26 Aug. 2026 And the average sea-surface temperature just hit a record 70 degrees, according to Europe’s Earth observation agency Copernicus, as the burning of fossil fuels continues to heat the planet. — Alex Wigglesworth, Los Angeles Times, 26 Aug. 2026 The practice of cutting fins off live sharks and throwing the carcasses back into the sea is banned in much of the Pacific Ocean, but persists due to demand in East and Southeast Asia. — CBS News, 25 Aug. 2026 In the Atlantic, sea surface temperatures are warmer than normal in the main hurricane development region, but not record warm, according to the Climate Reanalyzer from the University of Maine's Climate Change Institute. — Dinah Voyles Pulver, USA Today, 25 Aug. 2026 See All Example Sentences for sea
Recent Examples of Synonyms for sea
ocean
Noun
  • Alexiou’s film feels defined by water, as the characters increasingly take to the ocean and stormy weather sets in from above.
    — Guy Lodge, Variety, 30 Aug. 2026
  • The Pismo Beach Pier stretches out 1,200 feet into the ocean.
    — Sacbee.com, Sacbee.com, 30 Aug. 2026
Definition of ocean

Phrases Containing sea

Browse Nearby Words

scuzzy
sea
seabag
See all Nearby Words

Cite this Entry

“Sea.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sea. Accessed 2 Sep. 2026.

Copy Citation

More from Merriam-Webster on sea

Britannica.com: Encyclopedia article about sea

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of dissonant

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words
See More

Popular in Wordplay

See More

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All