sea

noun

\ ˈsē

Definition of sea

1a : a great body of salt water that covers much of the earth broadly : the waters of the earth as distinguished from the land and air

b : a body of salt water of second rank more or less landlocked the Mediterranean sea

c : ocean

d : an inland body of water —used especially for names of such bodies the Caspian Sea

2a : surface motion on a large body of water or its direction also : a large swell or wave —often used in plural heavy seas

b : the disturbance of the ocean or other body of water due to the wind

3 : something likened to the sea especially in vastness a sea of faces

4 : the seafaring life

5 : mare entry 2

at sea

1 : on the sea specifically : on a sea voyage

2 : lost, bewildered

to sea

: to or on the open waters of the sea

Other Words from sea Synonyms More Example Sentences Learn More about sea

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Examples of sea in a Sentence

the seas of the Southern Hemisphere millions of plants and animals live in the sea

Recent Examples on the Web

A year after the Globes were awash in a sea of black and #MeToo discussion replaced fashion chatter, the red carpet largely returned to more typical colors and conversation. — Jake Coyle, The Seattle Times, "Mamma Mia! ‘Rhapsody’ upsets ‘Star Is Born’ at Globes," 7 Jan. 2019 Sea of Thieves Sea of Thieves aims to recreate pirate life on a variety of ships in the open seas. — Tom Warren, The Verge, "The 10 best games for your new Xbox One," 26 Dec. 2018 There's no quick way to work through the sea of acronyms, the IUIs, and the SETs and the PGDs, that clutter your existence. — Elissa Strauss, Glamour, "This Netflix Movie Perfectly Pinpoints What's So Maddening About IVF," 11 Oct. 2018 In the nearby town of Atsuma, dozens of residents were reported missing after a massive landslide consumed homes beneath a sea of soil, rocks and timber. — Fox News, "At least 7 dead, dozens feared buried after quake hits northern Japan," 2 Oct. 2018 Democracy meant a boundless sea of opportunity for online advertising. — Eric Johnson, Recode, "Google’s former PR boss Jessica Powell wrote a satirical novel about tech and published it all on Medium," 2 Oct. 2018 But, thankfully, in a sea of t-shirts with sparkling rainbows and fussy pinafores, there are a few select, beautiful brands to discover. — Kerry Pieri, Harper's BAZAAR, "Leah + Rae Is the Baby Brand We Want for Ourselves," 19 Sep. 2018 Visitors, hurrying to their hotels or to the new stadium on the bank of the Volga River, would see a tidy town surrounded by seas of green grass and trees. — Ivan Nechepurenko, New York Times, "Peeking Around Corners in the World Cup’s Provincial Cities," 14 July 2018 Fans back home in Zagreb, Croatia, took to the streets to celebrate, lighting flares and waving flags in a sea of exuberance. — Ronald Blum, The Christian Science Monitor, "Croatia will make its first-ever appearance in World Cup final," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.