Allies
Americanplural noun
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(in World War I) the powers of the Triple Entente (Great Britain, France, Russia), with the nations allied with them (Belgium, Serbia, Japan, Italy, etc., not including the United States), or, loosely, with all the nations (including the United States) allied or associated with them as opposed to the Central Powers.
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the 26 nations that fought against the Axis in World War II and, with subsequent additions, signed the charter of the United Nations in San Francisco in 1945.
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the member nations of NATO.
plural noun
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(in World War I) the powers of the Triple Entente (France, Russia, and Britain) together with the nations allied with them
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(in World War II) the countries that fought against the Axis. The main Allied powers were Britain and the Commonwealth countries, the US, the Soviet Union, France, China, and Poland See also Axis
noun
Etymology
Origin of Allies
Plural of ally
Compare meaning
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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.
President Franklin Delano Roosevelt suddenly announced it at the 1943 Casablanca conference as an aim of the World War II Allies, he did so off the cuff.
From MarketWatch • Mar. 12, 2026
Allies of Local Government Secretary Steve Reed - who is ultimately responsible for this reversal - argue that their approach shifted because the legal advice changed.
From BBC • Feb. 17, 2026
During World War II, Greenland provided the Allies a bulwark thanks to its strategic location in the contested North Atlantic.
From The Wall Street Journal • Jan. 10, 2026
Appeared in the January 8, 2026, print edition as 'Trump Doctrine Confounds Allies, Foes'.
From The Wall Street Journal • Jan. 8, 2026
But what if the Allies could capture Hellmuth before he reached Germany?
From "The Woman All Spies Fear" by Amy Butler Greenfield
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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.