English Reference
noun

confederation

n.
US /kənˌfɛdɝˈeɪʃən/ UK /kənfˌɛdəɹˈeɪʃən/ con·fed·er·a·tion UK spelling confederations

  1. 01 C1 Advanced Formal

    a group of states or organizations that have joined together for a shared goal.

    a union of sovereign states or political organizations joined by a treaty or agreement for common action.

    Simple

    The small nations formed a confederation to protect their trade interests.

    In context

    The proposed confederation aimed to harmonize customs duties across the region while allowing each member state to maintain its own legal system.

    Usage

    Often used with the preposition 'of' followed by the members of the group.

  2. 02 C1 Advanced Formal

    the process of forming a union or alliance between different groups.

    the act or process of forming an alliance or political union.

    Simple

    The confederation of the various tribes took many years of negotiation.

    In context

    Historians argue that the confederation of these disparate territories was driven more by economic necessity than by shared cultural identity.

  3. 03 C2 Proficiency Formal

    the historical event in 1867 when several provinces joined to form the country of Canada.

    the process by which the British colonies of Canada, Nova Scotia, and New Brunswick were united into one Dominion of Canada on July 1, 1867.

    Simple

    Students in Toronto learn about the history of Confederation in primary school.

    In context

    The debates leading up to Confederation reflected deep-seated concerns regarding provincial autonomy and the linguistic rights of the French-speaking population.

    Usage

    Usually capitalized when referring specifically to the Canadian historical event.

Oceania have offered support to Gianni Infantino, but New Zealand have gone against their own confederation in FIFA row.

Al Jazeera· 14 Aug 2026

The Confederation of African Football (Caf) and South American governing body Conmebol have backed the 56-year-old to win a fourth presidential term at the Fifa Congress in March.

BBC News· 14 Aug 2026
This entry
Level C1 · Advanced
Frequency Frequent
Updated