Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
Joined forces
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Joined forces" is correct and usable in written English.
It is typically used to describe two or more parties coming together to work collaboratively towards a common goal. Example: "The two companies joined forces to develop a new product that would benefit both their markets."
✓ Grammatically correct
News & Media
Encyclopedias
Formal & Business
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
56 human-written examples
And so they joined forces.
News & Media
So they joined forces.
News & Media
The pair have joined forces before.
News & Media
Progressives and clericals now joined forces.
Encyclopedias
What if G.M. and Ford joined forces?
News & Media
They have joined forces in big protests.
News & Media
Human rights activists joined forces.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Considering the five girls originally auditioned as solo artists and proved their place in the preliminary sing-offs, it's no surprise their joined-force rendition of "Impossible" (watch video here) showed that behind the cutesy, girly personas were truly powerhouse singers with an affinity for catchy vocal stylings.
News & Media
Joined by Chadian forces, the French have reportedly killed several hundred jihadist fighters in the area, including a top Qaeda commander known as Abu Zeid, whose death has been confirmed by French and Chadian authorities.
News & Media
The uproar, if you can even call it that, was sparked in part by Jason Calacanis who was "force-joined" into an untoward group called NAMBLA without his consent, which could conceivably tarnish his reputation if the story popped up in a friend's News Feed.
News & Media
Doctored images were produced; three joined-together photographs published in the German armed forces magazine Signal, gave a false impression of the scale of destruction in the town.
Wiki
Expert writing Tips
Best practice
Use "joined forces" to emphasize the combined strength and resources resulting from a collaboration, especially when different entities or individuals unite for a common objective.
Common error
Avoid using "joined forces" when the collaboration is superficial or lacks significant integration. Opt for phrases like "worked with" or "assisted" to reflect a less intensive partnership.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Joined forces" typically functions as a verbal phrase, often used in the past tense to describe a completed action of collaboration. Examples from Ludwig show it used to indicate the coming together of individuals, groups, or organizations to achieve a common goal. According to Ludwig AI the phrase is correct and usable in written English.
Frequent in
News & Media
67%
Encyclopedias
17%
Formal & Business
3%
Less common in
Wiki
3%
Science
7%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "Joined forces" is a correct and commonly used expression to describe collaboration and partnership. Ludwig AI confirms its usability in written English. Its function is typically that of a verbal phrase, conveying the idea of entities uniting for a common goal. The phrase maintains a neutral register, suitable for various contexts. The frequency is high, especially in news and media. For alternative expressions, consider phrases like "teamed up", "collaborated", or "formed an alliance".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Teamed up
Implies a collaborative effort, often in a sports or project context.
Collaborated
Suggests a more formal or structured partnership.
Allied themselves
Indicates a strategic alignment, often in political or military contexts.
Formed an alliance
Highlights the creation of a formal agreement or partnership.
United
Simple and direct, suggesting a coming together for a common purpose.
Pooled resources
Emphasizes the sharing of assets or skills.
Worked together
A general term for any kind of cooperative effort.
Partnered
Implies a business or project-oriented collaboration.
Cooperated
Highlights mutual assistance and coordination.
Consolidated efforts
Signifies the combination of separate activities into a unified whole.
FAQs
How can I use "Joined forces" in a sentence?
Use "Joined forces" to describe two or more entities combining their efforts for a common goal. For example, "The two companies "teamed up" to develop a new product".
What are some alternatives to "Joined forces"?
Alternatives include "collaborated", "teamed up", or "formed an alliance", depending on the context.
Is "Joined forces" formal or informal?
"Joined forces" is generally considered neutral and can be used in both formal and informal contexts, though alternatives like "collaborated" may be more suitable for formal settings.
What is the difference between "Joined forces" and "Worked together"?
"Joined forces" implies a more strategic and integrated partnership, while "Worked together" is a more general term for any collaborative effort. For example, if they "united" they could rule the world.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested