Meaning & use
an ally
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Meanings
nouncountable
A country or person that supports and helps another in a disagreement, fight, or shared goal.
Grammar: Countable noun; use 'an ally' for one, 'allies' for more than one.
Patterns
- an ally of someone
- an ally in something
- become an ally
The two nations became an ally during the war.
She is an ally of the workers and often speaks at their meetings.
Having an ally in the same department made the project easier.
nouncountable
Someone who supports a group of people who are treated unfairly, even though they are not part of that group.
Grammar: Often used with 'to' or 'of': an ally to the community.
Patterns
- an ally to someone
- an ally of a group
He is an ally to the LGBTQ community.
Teachers can be an ally for students who feel left out.
The campaign asked men to be an ally in the fight for equality.
Word forms
| plural | allies |
|---|
Common combinations
- a close ally
- The prime minister met with a close ally before the vote.
- a political ally
- She gained a powerful political ally in the senate.
- a strong ally
- The country has been a strong ally for decades.
- an ally of convenience
- They were an ally of convenience, not a true friend.
Synonyms and how they differ
- partner
- Partner often suggests working together as equals, while ally stresses support in a conflict or cause.
- supporter
- Supporter is more general and can mean someone who just encourages, not necessarily fights alongside.
- friend
- Friend is personal and emotional; ally is usually about shared goals or politics.
Opposites
Word family
Commonly confused: an ally or alloy?
an ally vs alloy
Alloy is a metal mixture; ally is a supporter or partner. They sound similar but mean very different things.
Practice
Which sentence uses 'an ally' correctly?
Choose one answer.
When talking about a cause or group, we usually say 'an ally of' or 'an ally to', but 'of' is the most common with abstract nouns like 'the environment'. 'An ally with' suggests a temporary partnership, not support for a cause.
Make it your own
Write a sentence using “an ally”, then check it and compare it with the examples above.