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

According to Edwards, the mesh network has proven crucial in Ukraine, where it has been used successfully by allied forces. —Georgina Jedikovska, Interesting Engineering, 3 Feb. 2026

Following the collapse of the Soviet Union, former allied nations signed on with NATO for self-protection and American assistance. —Reader Commentary, Baltimore Sun, 31 Jan. 2026

Trump is being countered effectively by allied leaders and CEOs standing up in unity, and by financial markets openly revolting against his tantrums. —Jeffrey Sonnenfeld, Time, 29 Jan. 2026

The alliance is also planning advertising campaigns and endorsements of allied candidates in upcoming elections. —Isabella Cueto, STAT, 29 Jan. 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