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
is a success
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is a success" is correct and usable in written English.
You can use it to indicate that something has achieved its intended goals or outcomes. Example: "The project was challenging, but in the end, it is a success."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
58 human-written examples
"This Is Us" is a success.
News & Media
That is a success.
News & Media
Not everything is a success.
News & Media
The surgery is a success.
News & Media
Now, it is a success".
News & Media
Everything is a success.
News & Media
— he is a success.
News & Media
"This is a success".
News & Media
I hope Spider-Man is a success.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Ours is a success-based culture.
News & Media
America is a success-minded nation.
News & Media
Expert writing Tips
Best practice
When using the phrase "is a success", ensure that the context clearly defines what specific criteria constitute the success. Avoid vague or unsubstantiated claims of success.
Common error
Avoid using "is a success" prematurely or without sufficient evidence. Ensure that the claimed success is supported by concrete results or metrics, and not merely wishful thinking.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is a success" functions as a predicate nominative, linking a subject to a noun or noun phrase that renames or describes it. According to Ludwig AI, it is correct to use the phrase to indicate that something has achieved its intended goals or outcomes.
Frequent in
News & Media
72%
Formal & Business
15%
Science
13%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is a success" is a grammatically correct and widely used expression to denote that something has achieved its intended goals. As Ludwig AI confirms, it is a standard phrase for indicating accomplishment. The phrase is most commonly found in News & Media, but also appears frequently in Formal & Business and Science contexts. When using the phrase, ensure that the context clearly defines the criteria for success. Consider alternatives like "is a triumph", "is fruitful", or "is effective" to add nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is a triumph
Replaces 'success' with 'triumph', conveying a greater sense of achievement and celebration.
is accomplished
Highlights the completion and achievement of something specific, shifting focus from the general 'success'.
is fruitful
Replaces 'success' with 'fruitful' emphasizing the productive nature of the result.
is effective
Focuses on the functionality and the achievement of the intended result rather than overall success.
is a breakthrough
This suggests a significant advance or discovery, rather than general success.
is victorious
Substitutes 'success' with 'victorious', highlighting the triumph over challenges.
is thriving
Emphasizes the continuing growth and prosperity after achieving initial success.
is flourishing
Similar to 'thriving', it conveys a sense of vigorous growth and prosperity.
is a hit
This is more informal, implying that it's popular and well-received.
is booming
Suggests rapid and substantial growth, particularly in a business or economic context.
FAQs
How can I use "is a success" in a sentence?
You can use "is a success" to describe anything that has achieved its intended outcome. For example: "The project, after many challenges, "is a success"".
What are some alternatives to "is a success"?
Alternatives include "is a triumph", "is fruitful", or "is effective" depending on the specific nuance you want to convey.
When is it appropriate to use the phrase "is a success"?
It is appropriate when you want to express that something has achieved its objectives and is considered to be positively impactful. Ensure you can support the assertion with evidence.
What is the difference between "is a success" and "was a success"?
"Is a success" implies that something is currently successful, while "was a success" indicates it was successful in the past but may not be currently. Use "is a success" for ongoing accomplishments and "was a success" for past achievements.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested