English Reference

Word

allied

Phoneticsal·lied, stress on the first syllable

/ˈæˌɫaɪd/

Definitions

01joined by agreement

B2 · Upper Intermediate

adj. joined together by a formal agreement or shared goal.

adj. 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.”

02the Allies of WWI/WWII

B2 · Upper Intermediate

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

adj. 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.”

Antonyms

03related or similar

C1 · Advanced Formal

adj. similar to something else or connected in some way.

adj. 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.”

Real-World Examples

“Iran and the Houthis have been allied since the Houthis rose to power inside Yemen in 2014.”
The Guardian 12 Sept 2026
“Yemen has been embroiled in a civil war since 2014, when the Houthis and allied forces took the capital city of Sana’a and pushed the then government out of power.”
The Guardian 5 Sept 2026

Word family

ADJECTIVE

allied(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper Intermediate
Updated

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