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ally

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verb [intransitive/transitive] ally pronunciation in American English /əˈlaɪ/ ally pronunciation in American English /ˈæˌlaɪ/ 
Word Forms
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present tense
I/you/we/theyally
he/she/itallies
present participleallying
past tenseallied
past participleallied
  1. 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 for this sense of ally

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