adjective
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joined, as by treaty, agreement, or marriage; united
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of the same type or class; related
adjective
Other Word Forms
Etymology
Origin of allied
A Middle English word dating back to 1250–1300; see origin at ally, -ed 2
Explanation
Allied means united or joined together. If two countries are allied, they are on the same side and have common interests. When two people are allied, they are friendly — or at least cooperative. To be allied means to have an agreement to work together, so when politicians are allied on a bill, they've pledged to join forces and unite for a common cause. In a war, allied countries are fighting on the same side. Allied comes from ally, which first meant "join in marriage," from the Latin root alligare, "bind to."
Vocabulary lists containing allied
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.
Even as Britain declared war on Nazi Germany in 1939, about one million Americans opposed entering the conflict on the Allied side.
From Salon • May 21, 2026
Ian Hodson, president of the Bakers, Food, and Allied Workers Union, said: "You don't fix a toxic workplace by staying silent."
From BBC • Apr. 22, 2026
"We fear it shall be passed down to workers through restructuring, short‑time work and possible retrenchment," Justice Chinhema, secretary of the Zimbabwe Diamond and Allied Minerals Workers Union, said.
From Barron's • Mar. 26, 2026
The Allied effort to exchange POWs is well documented.
From The Wall Street Journal • Mar. 10, 2026
Far to the west of Saratov and Stalingrad, across the English Channel, British women—and a few from other Allied nations as well—were also flying planes to support the war effort.
From "A Thousand Sisters" by Elizabeth Wein
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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.