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
- sub-Atlantic adjective
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; 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.
There was a time when baseball shared the title of “national pastime” with cricket, an import from England that crossed the Atlantic.
From The Wall Street Journal • Apr. 16, 2026
On Tuesday, they became Atlantic Division champions for the first time since 2010.
From The Wall Street Journal • Apr. 15, 2026
John Richardson had been instrumental in the RMS Carpathia rescuing survivors from the Titanic's lifeboats, just hours after it had gone down in the North Atlantic, killing 1,500 people.
From BBC • Apr. 14, 2026
For expert Elisabeth Braw of the Atlantic Council, "it's a bit of a Hail Mary move" by Washington after it had "exhausted all options".
From Barron's • Apr. 14, 2026
Few would risk crossing the Atlantic without a copy of Appleton’s Railroad and Steamboat Companion.
From "The Hidden Gallery" by Maryrose Wood
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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.