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
was not obvious
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was not obvious" is correct and usable in written English.
You can use it to indicate that something was not clear or easily understood in a particular context. Example: "The solution to the problem was not obvious at first, but after further analysis, it became clear."
✓ Grammatically correct
News & Media
Science
Academia
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
60 human-written examples
But that was not obvious.
News & Media
Its mechanism was not obvious.
News & Media
The attraction was not obvious.
News & Media
The winning defense was not obvious.
News & Media
The reason for the increase was not obvious.
News & Media
So it was not obvious what to do.
News & Media
It was not obvious where it would end".
News & Media
But he noted: "Ronald Reagan was not obvious.
News & Media
A structure that was not obvious to read".
News & Media
It was not obvious this would be a good thing.
News & Media
But at the time, it was not obvious".
News & Media
Expert writing Tips
Best practice
Use "was not obvious" when you want to emphasize that something required deeper thought or investigation to understand. It is suitable in both formal and informal contexts.
Common error
Avoid using "was not obvious" when a simpler term like "was unclear" suffices. Overusing it can make your writing sound unnecessarily complex.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was not obvious" primarily functions as a statement indicating a lack of immediate clarity or understanding. As Ludwig AI confirms, it's used to express that something required deeper inspection or wasn't immediately apparent.
Frequent in
Science
38%
News & Media
37%
Academia
10%
Less common in
Formal & Business
3%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "was not obvious" is a grammatically correct and frequently used expression to indicate that something wasn't immediately clear or easily understood. As Ludwig AI confirms, it effectively communicates the need for deeper analysis or investigation. While versatile, it's best used when a simpler term isn't sufficient to convey the complexity or hidden nature of the subject. The phrase appears across diverse contexts such as science, news, and academia, showing its broad applicability. Alternatives like "was not apparent" or "was not clear" can be used depending on the nuance you wish to convey. It is a valuable addition to any writer's toolkit, allowing for nuanced expression of understanding and discovery.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was not clear
Uses a more direct and simpler term, "clear", to express the lack of understanding.
was not apparent
Replaces "obvious" with "apparent", keeping the meaning of something not being immediately noticeable.
was not evident
Substitutes "obvious" with "evident", suggesting the lack of clear proof or indication.
was not immediately clear
Adds "immediately" to emphasize that the understanding didn't come at once.
was not readily apparent
Combines "readily" and "apparent" for a slightly more formal tone, indicating something wasn't easily seen.
remained unclear
Focuses on the continuing state of being not understood.
was not discernible
Replaces "obvious" with "discernible", suggesting something was not easily distinguished or recognized.
was not conspicuous
Employs "conspicuous" instead of "obvious", implying something wasn't easily noticeable due to its subtlety.
did not stand out
Uses a more idiomatic expression to indicate that something was not noticeable.
escaped notice
Indicates something wasn't observed or recognized.
FAQs
How can I use "was not obvious" in a sentence?
You can use "was not obvious" to indicate that something wasn't immediately clear or easily understood. For example, "The solution to the problem "was not obvious" at first, but after further analysis, it became clear."
What's the difference between "was not obvious" and "was not clear"?
"Was not obvious" suggests that something required more than a superficial look to understand, while "was not clear" simply means it wasn't easily understood, regardless of the effort required.
What can I say instead of ""was not obvious""?
You can use alternatives like "was not apparent", "was not evident", or "remained unclear" depending on the context.
When is it appropriate to use "was not obvious" in writing?
It is appropriate to use "was not obvious" when you want to emphasize that something needed more than a quick glance to understand. It implies a degree of complexity or hidden nature that made the understanding non-immediate.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested