English Reference
noun · verb

allies

n. · v.
US /ˈæɫaɪz/ al·lies

  1. 01 B2 Upper Intermediate

    n.people or groups that help and support you, especially when others are against you.

    n.individuals or groups that provide support or cooperate with another for a common purpose.

    Simple

    She knew she needed strong allies in the office to get her project approved.

    In context

    The CEO sought allies among the minority shareholders to ensure the merger would proceed despite opposition from the board.

  2. 02 B2 Upper Intermediate

    n.countries that have agreed to help and defend each other, usually during a war.

    n.sovereign states formally cooperated with another for a military or strategic purpose, typically by treaty.

    Simple

    The two countries have been close allies for decades, sharing military secrets and trade.

    In context

    Diplomatic tensions rose when one of the nation's oldest allies refused to support the new trade embargo.

  3. 03 B2 Upper Intermediate History

    n.the specific groups of countries that fought together in World War I or World War II.

    n.the specific coalitions of nations that opposed the Central Powers in WWI or the Axis Powers in WWII.

    Simple

    The Allies landed in France in 1944 to begin the liberation of Europe.

    In context

    Historians often debate the level of strategic coordination between the Allies during the final months of the conflict.

    the allied powers
    the axiscentral powers
  4. 04 C1 Advanced Formal

    v.to join with another person or group to work toward a goal.

    v.to combine or unite resources and efforts for a specific, often political or military, objective.

    Simple

    The small tech company allies with larger firms to reach more customers.

    In context

    The local faction usually allies with whichever national party promises the most significant infrastructure investment.

    Usage

    The verb is often used with the preposition 'with'.

Asian allies are beginning to wonder whether the United States would or could defend them in a war.

The New York Times· 15 Aug 2026

Last year, the UK joined allies, including France and Canada, in recognising a Palestinian state.

Al Jazeera· 14 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Common
Updated