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 quick
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that was 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 within minutes, I received a reply. That was quick!"
✓ 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
45 human-written examples
Wow, that was quick.
News & Media
"At least that was quick," he said.
News & Media
Christ, Weller's gone already, that was quick.
News & Media
With the well now capped, and the waters open again to fishermen — my, that was quick!
News & Media
But this, the last of this lot (God that was quick), is clearly the one.
News & Media
When I saw the story last week about Keith Olbermann and Current TV lawyering up, I couldn't help thinking, My, that was quick.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
It stood for prose that was quick-footed and full of word play: the style his novels Kalooki Nights and Zoo Time made familiar.
News & Media
And then the sex you had with yourself, that was quicker, too.
News & Media
Author of a decade of killing, Bin Laden had endpages that were quick and sharp.
News & Media
"From a policy perspective, people want something that's quick and clean, to assess risk.
News & Media
"It's just something that's quick, it's easy to make and I like it a lot," he said.
News & Media
Expert writing Tips
Best practice
Use "that was quick" to express genuine surprise or appreciation for the speed of an action. It's best used in informal settings or when reacting to something unexpected.
Common error
While generally acceptable, avoid using "that was quick" in highly formal or professional communications. Opt for more measured phrases like "the response was prompt" or "the turnaround was efficient" to maintain a professional tone.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that was quick" primarily functions as an exclamatory remark. It expresses surprise or acknowledgement regarding the speed of an action or event. Examples in Ludwig confirm its role as a reaction to unexpected promptness.
Frequent in
News & Media
69%
Wiki
11%
Formal & Business
7%
Less common in
Science
5%
Academia
4%
Reference
4%
Ludwig's WRAP-UP
In summary, the phrase "that was quick" is a common and grammatically correct expression used to convey surprise or acknowledgement about the speed of an event. As Ludwig AI confirms, it is frequently found in news and media sources but is suitable for informal contexts. While versatile, be mindful of its casual tone and consider more formal alternatives, like "the response was prompt", in professional settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that was fast
Simple synonym, directly replacing "quick" with "fast" maintaining the same meaning.
that was speedy
Replaces "quick" with "speedy", adding a slightly more emphatic tone.
that was rapid
Uses "rapid" instead of "quick", indicating a slightly more formal tone.
that was swift
Substituting "quick" with "swift" suggests efficiency and promptness.
that happened quickly
Expresses the same sentiment by rephrasing the sentence to focus on the speed of the event.
that was sooner than expected
Highlights the unexpected speed of an event.
that didn't take long
Conveys the brevity of the action, implying a similar meaning.
well, that escalated quickly
Adds a layer of intensity, implying not just speed but also a rapid increase in intensity or complexity.
that was unexpectedly fast
Emphasizes surprise at the speed of the action.
that's what I call efficiency
Shifts focus to the positive aspect of speed, praising the efficiency.
FAQs
How can I use "that was quick" in a sentence?
Use "that was quick" to express surprise or acknowledgement when something happens faster than expected. For example, if someone replies to your email almost instantly, you could say, "Wow, "that was quick"!"
What's a more formal alternative to "that was quick"?
In formal settings, you might prefer phrases such as "the response was prompt", "the action was efficient", or "the turnaround was surprisingly fast" instead of "that was quick".
When is it appropriate to use "that was quick"?
"That was quick" is generally appropriate in informal settings among friends, family, or colleagues with whom you have a relaxed relationship. It's suitable when you want to acknowledge the speed of an action in a casual manner.
What's the difference between "that was quick" and "that was fast"?
While "that was quick" and "that was fast" are very similar, "that was quick" often carries a slightly stronger sense of surprise or appreciation, while "that was fast" is a more straightforward observation of 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
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested