ally - definition and synonyms

verb [intransitive/transitive] 

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/əˈlaɪ/

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/ˈælaɪ/
present tense
I/you/we/theyally
he/she/itallies
present participleallying
past tenseallied
past participleallied
  1. 1
    if a country allies itself with another country, it makes an agreement with it that they will work together to help each other, especially in a war

    countries that have allied themselves with the West

  2. 2
    if you ally yourself with someone, you work together to help each other

    We should ally ourselves with companies that complement our strengths.

     Synonyms and related words
  3. 3
    if you ally yourself with something such as a belief or an organization, you show your strong support for it