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

The ceremonial salute — done for America's birthday — will feature aircraft not only from the United States, but allied countries over the New York Harbor. — Amethyst Martinez, USA Today, 1 July 2026

This event marks the 250th anniversary of the United States, bringing together over 50 allied and partner nations. — Peter Suciu, Forbes.com, 25 June 2026

By the following spring, Allied aircraft were delivering as much cargo each day as had once arrived by rail. — Encyclopedia Britannica, 24 June 2026

Federal contractors face the same requirements, while the State Department was directed to push allied governments and critical infrastructure operators to adopt compatible standards globally. — Marco Quiroz-Gutierrez, Fortune, 23 June 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