English Reference

Word

affiliate

Phoneticsaf·fil·i·ate, stress on the second syllable

/əˈfɪɫiˌeɪt/

Definitions

01associated organization

C1 · Advanced Countable noun Academic · Formal

n. a small company or organization that is part of a larger one.

n. an organization, such as a television station or branch, that is officially attached to a larger body or network.

“The local TV station is an affiliate of a much larger national network.”

“The corporation operates through several international affiliates, each managed by a local executive team to ensure regional compliance.”

02to join a group

C1 · Advanced Academic · Formal

v. to officially join or become part of a larger group or organization.

v. to officially connect a person or organization to a larger body; often used in the passive voice with 'with'.

“The small college decided to affiliate with the state university system.”

“Many independent researchers choose to affiliate with established laboratories to gain access to specialized equipment and funding.”

Usage

Commonly used in the passive form: 'to be affiliated with'.

Antonyms

03to trace origin

C2 · Proficiency Formal · Technical

v. to show that something comes from a specific source or family.

v. to trace the origin or descent of something to a particular source.

“The historian tried to affiliate the ancient custom to a specific tribe.”

“Linguists often attempt to affiliate obscure dialects with major language families through comparative analysis of core vocabulary.”

Synonyms

Real-World Examples

“It was feared he may have been taken there by militants belonging to groups like Jama'at Nusrat al-Islam wal-Muslimin (JNIM), an al-Qaeda affiliate which has been linked to several attacks in the region.”
BBC News 14 Aug 2026
“We will earn a commission if you buy something through an affiliate link.”
The Guardian 10 Aug 2026

Etymology

From Medieval Latin affīliātus, the passive past participle of Late Latin adfīliō, affīliō (“to adopt as son”), from ad- + fīlius + -ō. Equivalent to Latin affīliō + -ate. Compare French affilié (noun).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

affiliate(C1)

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · Advanced
Updated

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English Reference