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

There’s longstanding historical hostility between the two countries; China was a crucial Allied partner, fighting against Japan’s full-scale invasion that ended only with Tokyo’s formal surrender in 1945. —Jessie Yeung, CNN Money, 12 Nov. 2025

Elsewhere, Japan, Australia, and France have initiated hypersonic weapon programs with a focus on regional security and allied cooperation. —Kaif Shaikh, Interesting Engineering, 7 Nov. 2025

World War II ended only when Allied forces captured Germany’s capital and the United States dropped nuclear weapons on Japan. —Zack Cooper, Foreign Affairs, 6 Nov. 2025

McEvoy was a member of IATSE Local 478, which covers the art department, construction, allied crafts, electrics, greens, grips and props. —Jazz Tangcay, Variety, 4 Nov. 2025

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