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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as fast as
Grammar usage guide and real-world examplesUSAGE SUMMARY
"as fast as" is a correct and usable phrase in written English.
You can use it to compare two things in terms of speed. For example: "My car can go as fast as a race car."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
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
"As fast as you can".
News & Media
Not as fast as we were.
News & Media
I wrote as fast as I could.
News & Media
We try as fast as we can".
News & Media
Oscillating as fast as possible.
Run as fast as Paul Ryan pretends to.
News & Media
It's gone as fast as it appears.
Academia
"Sprint as fast as you can".
News & Media
Go as fast as you can.
News & Media
As fast as seven seconds – or less.
News & Media
Be as fast as you can".
News & Media
Expert writing Tips
Best practice
Use "as fast as" to create vivid comparisons that highlight the speed difference or similarity between two subjects.
Common error
Avoid illogical comparisons. Ensure that you're comparing comparable attributes. For instance, don't say 'This car is as fast as my patience runs out.'
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as fast as" primarily functions as an adverbial phrase of comparison, modifying verbs or clauses to indicate the degree to which something is done quickly, mirroring the speed of something else. Ludwig provides numerous examples illustrating this function.
Frequent in
News & Media
63%
Academia
27%
Science
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "as fast as" is a versatile and grammatically sound comparative phrase used to equate the speed of two subjects. Ludwig AI confirms its correctness and widespread use. Predominantly found in News & Media and Academia, this phrase benefits from clear comparisons and consistent units of measurement. While there are several alternatives, such as "at the same speed as" or "equally fast as", the core function remains providing a relatable measure of speed. Remember to avoid illogical comparisons to maintain clarity and precision in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the same speed as
Replaces "fast" with "speed" maintaining the comparison.
equally fast as
Emphasizes equality in speed.
with equal speed to
Uses "speed" instead of "fast" and changes the structure slightly.
just as quickly as
Substitutes "fast" with "quickly", focusing on the manner of action.
comparably fast to
Uses "comparably" to indicate a similar level of speed.
as rapidly as
Replaces "fast" with "rapidly", providing a more formal tone.
at a comparable rate to
Focuses on the rate of speed, offering a more technical feel.
matching the speed of
Shifts the structure to emphasize matching a certain speed.
as swift as
Employs "swift" for a more evocative and slightly archaic feel.
in similar time to
Highlights the similarity in time taken, rather than directly comparing speed.
FAQs
How can I use "as fast as" in a sentence?
Use "as fast as" to compare the speed of two different things. For example, "The cheetah can run "as fast as" a car on the highway".
What are some alternatives to "as fast as"?
You can use alternatives such as "at the same speed as", "equally fast as", or "just as quickly as" depending on the specific context.
Is it grammatically correct to say "as faster as"?
No, "as faster as" is grammatically incorrect. The correct comparative form is ""as fast as"". The word 'faster' already implies a comparison, so 'as' is not needed.
What's the difference between "as fast as" and "faster than"?
"As fast as" indicates that two things have a similar speed, whereas "faster than" indicates that one thing is quicker than the other.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested