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
incredibly fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "incredibly fast" is correct and usable in written English.
You can use it to describe something that occurs at a very high speed or rate. Example: "The new internet connection is incredibly fast, allowing for seamless streaming and downloading."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(19)
remarkably quick
exceptionally speedy
lightning-fast
supersonic
at breakneck speed
at warp speed
extremely quick
blindingly fast
lightning fast
incredibly quick
breakneck speed
remarkably speedy
surprisingly fast
exceptionally rapid
strikingly fast
a million kilometres an hour
extremely fast
a million miles an hour
a million kilometers an hour
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
That's incredibly fast.
News & Media
We're going incredibly fast.
News & Media
They'd talk incredibly fast <>.
Academia
Light travels incredibly fast.
Academia
Supercomputers are evolving incredibly fast.
News & Media
"She's going out incredibly fast.
News & Media
"It will happen incredibly fast.
News & Media
"And she is incredibly fast".
News & Media
Usually they recover incredibly fast.
News & Media
"And yet he was running incredibly fast".
News & Media
Roy drove incredibly fast, saying "Straightaway.
News & Media
Expert writing Tips
Best practice
Use "incredibly fast" to emphasize not just speed, but the unexpected or surprisingly high degree of speed, for a more impactful description.
Common error
Avoid using "incredibly fast" repetitively in close proximity. Vary your descriptions of speed with synonyms like "remarkably quick" or "exceptionally speedy" to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "incredibly fast" functions as an adverbial modifier intensifying the adjective "fast". As confirmed by Ludwig AI, it describes the degree to which something is fast, emphasizing a surprising or remarkable speed.
Frequent in
News & Media
65%
Academia
18%
Science
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "incredibly fast" is a grammatically sound and frequently used phrase that functions as an adverbial modifier, intensifying the adjective "fast". Ludwig AI confirms its correctness and usability. It's most commonly found in news and media, academic, and scientific contexts. While versatile, avoid overuse by employing synonyms like "remarkably quick" or "exceptionally speedy". Remember to use "incredibly fast" to emphasize a surprisingly high degree of speed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remarkably quick
Replaces "incredibly" with "remarkably" and "fast" with "quick", offering a slightly more formal tone.
exceptionally speedy
Substitutes "incredibly" with "exceptionally" and "fast" with "speedy", highlighting the swiftness.
extraordinarily rapid
Replaces "incredibly" with "extraordinarily" and "fast" with "rapid", emphasizing the quickness of an action or event.
blazingly fast
Uses "blazingly" to intensify "fast", suggesting extreme speed.
lightning-fast
Employs a compound adjective to vividly describe the speed, comparing it to lightning.
supersonic
Refers to speeds exceeding the speed of sound, implying extreme velocity.
at breakneck speed
Expresses high speed, often suggesting recklessness or danger due to the speed.
with great alacrity
Emphasizes the speed and eagerness with which something is done.
at warp speed
Borrowing from science fiction, it implies a very high, almost unbelievable speed.
posthaste
An archaic term meaning "as fast as possible", adding a historical flair.
FAQs
How can I use "incredibly fast" in a sentence?
You can use "incredibly fast" to describe the speed of an action, process, or object. For example, "The new computer processes data "incredibly fast"" or "The company's growth has been "incredibly fast" this year".
What are some alternatives to saying "incredibly fast"?
You can use alternatives like "remarkably quick", "exceptionally speedy", or "blazingly fast" depending on the context.
Is it grammatically correct to say "incredibly fast"?
Yes, it is grammatically correct. "Incredibly" is an adverb that modifies the adjective "fast", forming a phrase that describes something moving or occurring with great speed.
What is the difference between "incredibly fast" and "very fast"?
"Incredibly fast" suggests a higher degree of speed than "very fast". "Incredibly" implies that the speed is surprising or remarkable, while "very" simply indicates a high level.
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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested