English Reference
noun · adjective

federation

n. · adj.
US /ˌfɛdɝˈeɪʃən/ UK /fˌɛdəɹˈeɪʃən/ fed·er·a·tion UK spelling federations

  1. 01 B2 Upper Intermediate

    n.a country formed by several states that have joined together under one central government.

    n.a union of partially self-governing provinces, states, or other regions under a central federal government.

    Simple

    The country is a federation of several different states, each with its own local laws.

    In context

    The constitutional debate focused on whether the federation should grant more autonomy to the individual states or strengthen the central authority.

    Usage

    Often used as a countable noun to describe a specific country.

  2. 02 B2 Upper Intermediate

    n.a large organisation made up of smaller groups that work together for a common goal.

    n.an association or society formed by the merging of several separate groups or bodies.

    Simple

    The national football federation decided to change the rules for the upcoming season.

    In context

    The international federation of journalists issued a formal statement condemning the new censorship laws.

  3. 03 C1 Advanced Technical Computing

    n.a group of different computer networks or providers that work together so users can communicate across them.

    n.a group of computing or telecommunications providers that agree on standards to allow interoperability across different systems.

    Simple

    The new software allows for federation between different social media platforms.

    In context

    Identity federation enables users to access multiple applications across different domains using a single set of credentials.

    Usage

    Uncountable when referring to the concept of connecting systems.

    Teacher's tip

    This is a common term in modern cloud computing and social media (the 'fediverse').

  4. 04 C2 Proficiency DialectAmerican English

    adj.a style of building that was popular in Australia around the year 1901.

    adj.relating to an architectural style in Australia prevalent from around 1890 to 1915, coinciding with the country's political federation.

    Simple

    They live in a beautiful Federation house with high ceilings and red brick walls.

    In context

    The suburb is famous for its well-preserved Federation bungalows, which feature ornate timberwork and leadlight windows.

    Usage

    Always capitalised in this sense.

    Teacher's tip

    This is highly specific to Australian history and real estate; learners outside Australia rarely encounter it.

    edwardian

The ambitions of each member federation, he added, are tied to its ability to raise revenues.

Al Jazeera· 15 Aug 2026

The 2027 Spanish Super Cup will be held in Turkey at Istanbul's Ataturk Olympic Stadium, the Spanish Football Federation said Thursday.

The Local· 14 Aug 2026

Borrowed from French fédération, from Late Latin foederatio, from Latin foederare; equivalent to federate + -ion.

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

This entry
Origin Latin foederare
Level C1 · Advanced
Frequency Common
Updated