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
at their best
Grammar usage guide and real-world examplesUSAGE SUMMARY
'at their best' is a correct and usable phrase in written English and it can be used to express that something is operating or performing at the highest level of quality or efficiency.
For example, "The company is always striving to ensure that its employees are performing at their best."
✓ Grammatically correct
News & Media
Academia
Sport
Arts
Music
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
60 human-written examples
AT their best, new media are chaotic.
News & Media
Books, at their best, are entrancing objects.
News & Media
Men at their best.
News & Media
But at their best.
News & Media
At their best, they're brilliant.
News & Media
At their best, Zeman's Roma were scintillating.
News & Media
At their best, they're good, not great.
News & Media
College students are at their best age.
Academia
People may not be at their best.
At their best, they are unplayable.
News & Media
When are the colors at their best?
News & Media
Expert writing Tips
Best practice
Use "at their best" to highlight the peak condition, performance, or capability of a subject, whether it's a person, team, product, or concept. Make sure the context clearly indicates what 'best' means in that specific situation.
Common error
Avoid using "at their best" without clearly defining the criteria for 'best'. Ambiguity can weaken your statement. Be specific about what aspects are at their peak to ensure clarity and impact.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at their best" functions as an adjective phrase modifying a noun, indicating a state of optimal performance or condition. As Ludwig AI confirms, it is used correctly and commonly in written English. The examples show it describing everything from teams to technologies.
Frequent in
News & Media
50%
Academia
20%
Sport
10%
Less common in
Arts
8%
Music
7%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, the phrase "at their best" is a versatile and grammatically sound way to describe the peak performance or condition of something or someone. Ludwig AI confirms its validity and common usage. It's frequently found in news media and academic contexts, making it suitable for a wide range of writing styles. Remember to provide clear context for what constitutes 'best' in your specific scenario to maximize clarity and impact. Consider alternatives like "in top form" or "performing optimally" for nuanced variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in top form
Focuses on the state of being in peak condition.
performing optimally
Highlights the act of achieving the best possible outcome.
in prime condition
Emphasizes the excellent state of something.
at peak performance
Stresses the highest level of functioning.
functioning at their peak
Highlights the action of operating at the highest level.
in tip-top shape
Suggests an excellent and well-maintained condition.
at its finest
Emphasizes the quality of being excellent or superior.
in an ideal state
Focuses on the perfect or most desirable condition.
operating at full capacity
Highlights the ability to use all available resources effectively.
in top working order
Emphasizes the functional aspect of being at the highest level of performance.
FAQs
How can I use "at their best" in a sentence?
You can use "at their best" to describe optimal performance or condition. For example, "The team is "at their best" when they communicate effectively."
What are some alternatives to saying "at their best"?
Alternatives include "in top form", "performing optimally", or "at peak performance", depending on the context.
Is it correct to say "at it's best" instead of "at their best"?
No, "at it's best" is grammatically incorrect. "Its" indicates possession for a singular noun, while "their" indicates possession for a plural noun. Therefore, use "at its best" for a singular subject and "at their best" for a plural subject.
What's the difference between "at their best" and "at their finest"?
"At their best" generally refers to optimal performance or condition, while "at their finest" typically refers to peak quality or elegance. The choice depends on whether you're emphasizing function or aesthetics.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested