# allied

/ˈæˌɫaɪd/ (US)

Source: https://englishreference.com/word/allied
Updated: 2026-08-15

## Senses

### 1. joined by agreement

adjective · CEFR B2

joined together by a formal agreement or shared goal.

For teachers: joined or united in a formal relationship, such as a treaty or political partnership.

- The two companies are allied in their fight against the new tax law.
- Several smaller political factions remained allied throughout the negotiations to ensure their collective interests were represented in the final bill.

### 2. the Allies of WWI/WWII

adjective · CEFR B2

relating to the countries that fought together in World War I or World War II.

For teachers: pertaining specifically to the nations—primarily the UK, US, and Soviet Union—that opposed the Axis powers during the World Wars.

- The museum has a large collection of Allied uniforms from the 1940s.
- Allied forces landed on the beaches of Normandy in June 1944, marking a decisive turning point in the European theatre of the war.

### 3. related or similar

adjective · CEFR C1 · Formal

similar to something else or connected in some way.

For teachers: related by nature, character, or logical connection; often used to describe academic or professional fields.

- The university offers courses in nursing and allied health subjects.
- The study of linguistics is closely allied to psychology, as both disciplines seek to understand the underlying structures of human cognition.

## Examples

- The two small companies allied to compete with the larger corporation.
- Several local environmental groups allied to protest the construction of the new highway through the forest.
- During the conflict, several smaller city-states allied with the empire to secure their borders against the encroaching northern tribes.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.