sea
noun
ˈsē 
1
a
: 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
2
a
: 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
sea adjective
Synonyms
- blue
- brine
- deep
- Neptune
- ocean
- seven seas
See all Synonyms & Antonyms 
Example Sentences
the seas of the Southern Hemisphere millions of plants and animals live in the sea
Recent Examples on the Web The trajectory of Sunday’s flight — a normal takeoff and climb with no significant weather and about 18 minutes of routine flying before a sudden, steep plunge into the sea without a distress call — is, for now, unexplained and deeply disturbing. 
Dominic Gates, Anchorage Daily News, 11 Sep. 2022 Her medium-length, chocolate-brown hair fell into a sea of loose waves that landed around her chest area. Gabi Thorne, Allure, 1 Sep. 2022 The aqueduct was once a source of drinking water, but waste rendered the water unusable in recent decades, leading to large quantities of water being dumped into the sea. Claire Parker, Washington Post, 28 Aug. 2022 Longrock was one of 100 beaches around England which had raw sewage disgorged into the sea during the peak summer period. Julia Buckley, CNN, 27 Aug. 2022 The sides of the great volcano were blown out into the sea, its structure collapsed, and the entire island of Krakatoa subsided into the water and disappeared. San Diego Union-Tribune, 26 Aug. 2022 The announcement came after Beijing fired missiles into the sea near Taiwan, as tensions continue following House Speaker Nancy Pelosi's visit there last month. Taylor Wilson, USA TODAY, 19 Aug. 2022 He is gone now, and the waves gnaw at the shore and the island slowly sinks into the sea. Rafil Kroll-zaidi, Harper’s Magazine , 17 Aug. 2022 Others have suggested that one man fell from the blimp and the other jumped into the sea to assist him. Greg Daugherty, Smithsonian Magazine, 16 Aug. 2022 See More
Dominic Gates, Anchorage Daily News, 11 Sep. 2022 Her medium-length, chocolate-brown hair fell into a sea of loose waves that landed around her chest area. Gabi Thorne, Allure, 1 Sep. 2022 The aqueduct was once a source of drinking water, but waste rendered the water unusable in recent decades, leading to large quantities of water being dumped into the sea. Claire Parker, Washington Post, 28 Aug. 2022 Longrock was one of 100 beaches around England which had raw sewage disgorged into the sea during the peak summer period. Julia Buckley, CNN, 27 Aug. 2022 The sides of the great volcano were blown out into the sea, its structure collapsed, and the entire island of Krakatoa subsided into the water and disappeared. San Diego Union-Tribune, 26 Aug. 2022 The announcement came after Beijing fired missiles into the sea near Taiwan, as tensions continue following House Speaker Nancy Pelosi's visit there last month. Taylor Wilson, USA TODAY, 19 Aug. 2022 He is gone now, and the waves gnaw at the shore and the island slowly sinks into the sea. Rafil Kroll-zaidi, Harper’s Magazine , 17 Aug. 2022 Others have suggested that one man fell from the blimp and the other jumped into the sea to assist him. Greg Daugherty, Smithsonian Magazine, 16 Aug. 2022 See More Word History
Etymology
Middle English see, from Old English sǣ; akin to Old High German sē sea, Goth saiws
First Known Use
before the 12th century, in the meaning defined at sense 1a
Phrases Containing sea
Kids Definition
sea
noun
ˈsē
1
: a body of salt water not as large as an ocean and often nearly surrounded by land
2
: ocean sense 1
3
: rough water
A high sea swept the deck.
4
: something suggesting a sea's great size or depth
The speaker looked out on a sea of faces.
at sea
phrase
as in dizzy
suffering from mental confusion He's been a little at sea ever since he moved out of the house he'd lived in for over 30 years. Synonyms & Similar Words
Relevance
- dizzy
- bewildered
- silly
- distracted
- dazed
- stunned
- confused
- dopey
- unconscious
- out of it
- spacey
- stupefied
- slaphappy
- muzzy
- punchy
- bedeviled
- muddleheaded
- pixilated
- befuddled
- zonked
- bushed
- zonked-out
- bemused
- raddled
- addled
- addlepated
- addle
- spacy
- confounded
- mixed-up
- fogged
- shell-shocked
- spaced-out
- punch-drunk
- dopy
- pixillated
- senseless
- spaced
- befogged
Antonyms & Near Antonyms
- conscious
- alert
- clearheaded