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 its fastest
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at its fastest" is correct and usable in written English.
It can be used to describe the maximum speed or rate of something, often in contexts related to performance or efficiency. Example: "The train can travel at its fastest when there are no stops along the route."
✓ Grammatically correct
News & Media
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
And at its fastest, it can print 3D objects at 110 mm/s.
News & Media
Accounting for some 12% of all economic output, it has been growing at its fastest rate for 16 years.
News & Media
It means Britain's economy is growing at its fastest rate in more than three years.
News & Media
It also charges quickly, reaching 75% in an hour at its fastest rate.
News & Media
It has also removed the option to run the game at its fastest setting, known as "cheetah speed".
News & Media
On Monday the group reported that manufacturing activity grew at its fastest pace in seven months.
News & Media
Job creation grew at its fastest pace in almost a year.
News & Media
The world economy is growing at its fastest pace for two decades.
News & Media
First, Britain's economy is growing at its fastest rate for six years.
News & Media
But inflation rose at its fastest rate in nearly two years in September.
News & Media
Today excess liquidity (money growth minus GDP growth) is growing at its fastest pace on record.
News & Media
Expert writing Tips
Best practice
Use "at its fastest" to clearly indicate the maximum speed or rate under optimal conditions, ensuring the context provides a basis for comparison or expectation.
Common error
Avoid using "at its fastest" when describing average or typical speeds. This phrase should be reserved for situations where the maximum potential speed is achieved, not diluted by common operational factors.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at its fastest" functions as an adverbial phrase modifying a verb, adjective, or another adverb, describing the condition or manner in which something is happening. Ludwig AI indicates the phrase is correct and usable in English. It specifies the maximum rate or speed achievable in a particular context.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "at its fastest" is a grammatically sound and commonly used expression to describe the maximum speed or rate something can achieve. Ludwig AI confirms its usability in English. Predominantly found in news and media contexts, it serves to emphasize peak performance and potential maximums. While versatile, it's important to reserve this phrase for scenarios where optimal conditions are met, avoiding its use for typical or average speeds. Related phrases like "at top speed" or "at maximum velocity" offer similar nuances depending on the context. Overall, "at its fastest" provides a clear and effective way to communicate peak performance capabilities.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
at top speed
Focuses on the maximum speed achievable, often in mechanical or vehicular contexts.
at its quickest
Similar to 'most rapid' but implies a shorter duration.
at its most rapid
Stresses the quickness or swiftness of an action or process.
at maximum velocity
Emphasizes speed in a more technical or scientific context.
as fast as possible
Emphasizes the effort to achieve maximum speed.
with utmost speed
Highlights the importance of speed in completing a task.
at peak performance
Highlights the highest level of overall function or capability, not strictly speed.
at full throttle
Suggests using maximum power or intensity to achieve top speed.
in record time
Implies achieving a task faster than previously done.
at lightning speed
Uses a metaphor to convey extreme quickness.
FAQs
How can I use "at its fastest" in a sentence?
You can use "at its fastest" to describe the maximum speed or rate something can achieve, like: "The car can travel "at its fastest" on a smooth, straight road".
What are some alternatives to "at its fastest"?
Alternatives include "at top speed", "at maximum velocity", or "at peak performance", depending on the context.
Is it correct to say "at it's fastest" instead of "at its fastest"?
No, "at it's fastest" is incorrect. "Its" is the possessive form, while "it's" is a contraction of "it is" or "it has". The correct phrase is "at its fastest".
What is the difference between "at its fastest" and "in record time"?
"At its fastest" describes the maximum speed something can achieve, while "in record time" implies completing a task more quickly than ever before. The former is about speed potential, the latter about achieved speed.
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
4.5/5
Expert rating
Real-world application tested