allied

adjective

al·​lied ə-ˈlīd  ˈa-ˌlīd 

1

: having or being in close association : connected

two families allied by marriage

2

: joined in alliance by compact or treaty

specifically, Allied : of or relating to the nations united against Germany and its allies in World War I or those united against the Axis powers in World War II

3

a

: related especially by common properties or qualities

heraldry and allied subjects

b

: related genetically

Synonyms of allied

• related

Examples of allied in a Sentence

people with foreign language fluency and an allied skill such as the ability to relate to people from different cultures

Recent Examples on the Web

France Libre is a direct reference to General Charles de Gaulle's resistance movement, which joined Allied forces to help liberate France and Europe from the Nazis during World War II, Macron said. —Arkansas Online, 19 Mar. 2026

That’s how a veteran French defense analyst, François Heisbourg, described allied responses. —John Leicester, Los Angeles Times, 18 Mar. 2026

The completion of the project reflects continued efforts by RTX and Raytheon to expand manufacturing capacity, improve operational efficiency, and strengthen the technological capabilities that support national and allied security. —Prabhat Ranjan Mishra, Interesting Engineering, 16 Mar. 2026

As of Monday, Israel estimated that allied forces had killed nearly 2,000 Iranian soldiers and commanders. —Michael M. Rosen, The Washington Examiner, 13 Mar. 2026

Word History

First Known Use

circa 1518, in the meaning defined at sense 1

Rhymes for allied

• abide
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied
• beside

Kids Definition

allied

adjective

al·​lied ə-ˈlīd  ˈal-ˌīd 

1

: being related or connected in some way

chemistry and allied subjects

2

a

: joined in alliance

allied nations

b

capitalized : of or relating to the nations united against Germany and its allies in World War I or World War II