Atlantic
Americanadjective
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of or relating to the Atlantic Ocean.
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of, relating to, or situated on the eastern seaboard of the United States.
the Atlantic states.
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of or relating to the countries bordering the Atlantic Ocean, especially those of North America and Europe.
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of or relating to the North Atlantic Treaty Organization or its members.
the Atlantic Alliance.
noun
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the Atlantic, Atlantic Ocean.
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Railroads. a steam locomotive having a four-wheeled front truck, four driving wheels, and a two-wheeled rear truck.
noun
adjective
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of or relating to or bordering the Atlantic Ocean
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of or relating to Atlas or the Atlas Mountains
Other Word Forms
Etymology
Origin of Atlantic
First recorded in 1350–1400; Middle English, from Latin Atlanticum (mare), “the Atlantic (ocean),” neuter of Atlanticus, from Greek Atlantikós “of (Mount) Atlas,” equivalent to Atlant- (stem of Átlās ) + -ikos adjective suffix; see Atlas ( def. 1 ), -ic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They’re found around the globe, mostly in subtropical and temperate regions of the Atlantic, Pacific and Indian oceans, and in the Mediterranean Sea, according to the National Oceanic and Atmospheric Administration.
From Los Angeles Times • May 16, 2026
The ship set sail from Argentina on April 1, charting a course across the Atlantic Ocean.
From Barron's • May 15, 2026
Forecasters are already suggesting this years Atlantic hurricane season is going to be quieter than average.
From BBC • May 14, 2026
Before that, she was a staff writer at publications including Thrillist, Entertainment Weekly, and The Atlantic Wire.
From The Wall Street Journal • May 14, 2026
In 1845, Franklin took two Royal Navy ships, Erebus and Terror, and a crew of 129 into the Arctic to search for a sea route between the North Atlantic and the Pacific.
From "Shipwreck at the Bottom of the World" by Jennifer Armstrong
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
