Did you know?

Click any word in a definition or example to find the entry for that word

ally - definition and synonyms

 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
noun ally pronunciation in American English /ˈæˌlaɪ/ally pronunciation in American English /əˈlaɪ/
Word Forms
Close
singularally
pluralallies
  1. 1
    [countable] a country that makes an agreement with another country that they will work together to help each other, especially in a war

    the United States and its European allies

    1. a.

      the Allies

      [plural] the countries that united to fight against Germany in World Wars I and II, or against Iraq in the Gulf War
  2. 2
    [countable] someone who is ready to help you, especially against someone else who is causing problems for you

    If you’re going to succeed in this job you will need allies.

Open Dictionary

crafternoon

an afternoon full of crafts

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog