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
that was so quick
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that was so quick" is correct and usable in written English.
It can be used to express surprise or appreciation for the speed of an action or response. Example: "I just sent the email, and that was so quick; I already received a reply!"
✓ Grammatically correct
News & Media
Alternative expressions(19)
that was so fast
That was very fast
That was speedy
That was lightning fast
rapid response
immediate results
that was fast
that was quick
that was speedy
that was rapid
that was swift
that happened quickly
that was sooner than expected
that's quick
that was faster
that was sudden
that was negative
that was fastest
it's already done
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
2 human-written examples
Gene Kelly's widow, Patricia, turned up to applaud Ore's Singin' in the Rain, Louise once again donned the foxy Flashdance leg warmers for the chachacha, and Danny executed a quickstep that was so quick, fire extinguishers must have been at the ready in case his inner thighs caught fire.
News & Media
"Personal fabrication, creating physical objects out of the computer is going to be huge," says Gever. "Up to now it was impossible for a sculptor to recreate something that was so quick," he says, as he watches a model of a truck wrap itself around a pillar.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
It would also serve to strengthen the anti-PC/Ukip contingent that is so quick to feel beleaguered.
News & Media
He chronicled the exploits of Dogtown skaters who scored backstage tickets to Eric Clapton concerts, and exclaimed that the Dogtown boys "were dealing with things too rapid to be observed, the kind that are so quick that they are felt rather than seen".
News & Media
In case you missed it, that's an article that's so quick it's reporting on theories that haven't been theorised.
News & Media
Instead, I just want to take this time to remind those LGBT folk that are so quick to condemn the riots in Baltimore that if it were not for rioting, we would not be where we are today.
News & Media
It is hard to lose control of your body, and scary to admit that you did, especially in a culture that is so quick to ask what you did to deserve it.
News & Media
These schools provide driving courses that are so quick that it's impossible to receive commercial driving training.
Wiki
That is so quick that opponents have no ability to substitute between plays, and fans at home do not have time to run to the fridge.
News & Media
That's so quick that you can't really, in that short space of time, consciously go through the pros and cons of each character; that rating is an overall impression of attractiveness, not focused on any particular body part.
News & Media
It is sad that Congress was so quick to defy the Supreme Court by passing the copycat law.
News & Media
Expert writing Tips
Best practice
Use "that was so quick" to express surprise or appreciation when something happens faster than expected. For example, "I sent the email and the response came back immediately, that was so quick!"
Common error
Avoid using "that was so quick" in formal writing or situations where a more descriptive and precise term is required. Instead of saying "the process was so quick", consider using "the process was highly efficient" to maintain a professional tone.
Source & Trust
93%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that was so quick" functions as an exclamation or an observation. It expresses a reaction to the speed of a previous action or event. It can also serve as a compliment, acknowledging efficiency or rapidity. Ludwig confirms its grammatical correctness.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "that was so quick" is a grammatically correct and commonly used expression to indicate surprise or acknowledgement about the speed of an event. Ludwig confirms this. While primarily used in neutral to informal contexts, such as everyday conversation and news articles, it may not be suitable for highly formal settings. Alternative expressions like "that was very fast" can be used in those cases. Its frequency is currently classified as rare based on the data analyzed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
That was very fast
Replaces "quick" with the synonym "fast", emphasizing the speed of the action.
That was incredibly quick
Adds intensity to the quickness of the action.
That happened so fast
Shifts the focus to the event happening rapidly.
That was remarkably fast
Highlights the unexpected speed.
That was surprisingly quick
Emphasizes the element of surprise in the action's speed.
That was speedy
Uses a more casual synonym for quick.
That was prompt
Focuses on the immediate and timely nature of the action.
That was lightning fast
Uses a metaphor to illustrate extreme speed.
That was instantaneous
Highlights the action occurring without any delay.
That was done in a flash
Emphasizes how quickly something was completed.
FAQs
What does "that was so quick" mean?
The phrase "that was so quick" expresses surprise or appreciation for the speed at which something happened. It indicates that an action or event occurred faster than expected.
When is it appropriate to use "that was so quick"?
It's appropriate to use "that was so quick" in informal settings, such as casual conversations or when reacting to something that happens unexpectedly fast. In more formal settings, consider using alternatives like "that was very fast" or "that was remarkably quick".
Are there any synonyms for "that was so quick"?
Yes, you can use phrases such as "that was so fast", "that was incredibly quick", or "that was surprisingly quick" depending on the specific context.
Is "that was so quick" grammatically correct?
Yes, "that was so quick" is grammatically correct and follows standard English syntax. It is a common and acceptable way to express surprise or acknowledgement of speed.
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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
93%
Authority and reliability
4.1/5
Expert rating
Real-world application tested