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 simple
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that was simple" is correct and usable in written English.
You can use it to express that something was easy to understand or accomplish after it has been completed. Example: "After reviewing the instructions, I realized that was simple and I could complete the task quickly."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(5)
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
57 human-written examples
As to his claim to fame, that was simple fate, he added.
News & Media
I tried to explain, while complimenting her on a meal that was simple and simply delicious.
News & Media
"My request to Joel was for a boat that was simple and elegant," Tofias said.
News & Media
"We tested an intervention that was simple and scalable," Dr. Choudhry said.
News & Media
I wanted a house that was simple and cheery and unlike the gray English weather.
News & Media
"They're a symbol for everything that was simple and straightforward in the good old days," she says.
News & Media
It used marketing and language that was simple and inclusive and followed through by offering a low-cost alternative.
News & Media
I wanted to do a project that could connect people and countries, that was simple and universal.
News & Media
Both lunch and dinner began with buttered and grilled bread slices, a gratis treat that was simple and different.
News & Media
The Wii rescued gaming from being in a perpetual niche by introducing a controller that was simple to use.
News & Media
They set about making a version of VistA that was simple for health care providers to use, and the fruit of their effort is now ready for market.
News & Media
Expert writing Tips
Best practice
Use "that was simple" when you want to express that a task, concept, or explanation was easy to understand or complete after it has been addressed. It often implies a sense of relief or satisfaction.
Common error
While "that was simple" is widely understood, it can sound too informal in certain professional or academic settings. Opt for alternatives like "it was straightforward" or "it was easily accomplished" to maintain a more appropriate tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that was simple" functions as a declarative statement expressing the perceived ease or lack of complexity of a prior action, event, or understanding. As Ludwig indicates, it's a straightforward way to communicate that something was not difficult.
Frequent in
News & Media
37%
Science
22%
Wiki
11%
Less common in
Encyclopedias
5%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that was simple" is a common and grammatically sound way to express that something was easy or straightforward, as Ludwig confirms. While its neutral to informal tone makes it appropriate for everyday conversation and news reporting, it might be too casual for formal writing. The phrase sees frequent use across News & Media, Science, and Wiki sources, and while other options like "it was easy" or "it was straightforward" can often be used interchangeably, choosing the right synonym can fine-tune the message and match your writing style.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it was straightforward
Emphasizes the directness and lack of complications in the process or situation.
it was easy
Highlights the lack of difficulty involved.
it was undemanding
Stresses the minimal effort or resources required.
it was a breeze
Suggests that something was accomplished effortlessly and quickly.
it was elementary
Implies that something is fundamental or easily understood.
it was no problem
Indicates that a task or situation was handled without any issues.
it was a piece of cake
Suggests that a task was very easy to complete.
it was child's play
Implies that a task is so easy that even a child could do it.
it was a snap
Indicates that something was done quickly and easily.
it was effortless
Emphasizes the lack of exertion required.
FAQs
How can I use "that was simple" in a sentence?
You can use "that was simple" to indicate that a task, explanation, or solution was easy to understand or execute. For instance, "After reviewing the manual, I realized "that was simple" and I could assemble the furniture quickly."
What are some alternatives to "that was simple"?
Some alternatives include "it was easy", "it was straightforward", or "it was undemanding" depending on the context.
Is "that was simple" suitable for formal writing?
While grammatically correct, "that was simple" might be considered too informal for academic or professional writing. Consider using more formal alternatives such as "it was easily accomplished" or "it presented no difficulty".
What's the difference between "that was simple" and "that was easy"?
While similar, "that was simple" often implies that something was straightforward and uncomplicated, whereas "that was easy" emphasizes the lack of effort required. For example, a complex math problem solved with a simple formula could be described as ""that was simple"", while tying your shoes is "that was easy".
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested