Did you know?

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

ally

 - definition
 
 
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 entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
noun ally pronunciation in British English /ˈælaɪ/ 
Word Forms
Close
singularally
pluralallies

Related dictionary definitions

  1. 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.

protologism

a new word or phrase invented in the hope that it will become generally used

BuzzWord Article

Open Dictionary

garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

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