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
remained unclear
Grammar usage guide and real-world examplesUSAGE SUMMARY
"remained unclear" is a grammatically correct and usable phrase in written English.
You can use it to indicate that something is still unknown or obscure after certain attempts have been made to understand or explain it. For example: "His motivations for taking such a drastic measure remained unclear."
✓ Grammatically correct
News & Media
Science
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
Precise details remained unclear.
News & Media
His motive remained unclear.
News & Media
"Her situation remained unclear".
News & Media
How that happened remained unclear.
News & Media
The attack's details remained unclear.
News & Media
Two questions, however, remained unclear.
News & Media
But some details remained unclear.
News & Media
The motive remained unclear yesterday.
News & Media
Other details remained unclear yesterday.
News & Media
The diplomatic situation remained unclear.
News & Media
Her home's fate remained unclear.
News & Media
Expert writing Tips
Best practice
To enhance clarity and impact, avoid overuse of "remained unclear" within close proximity in your writing. Vary your language with synonyms like "stayed ambiguous" or "was still uncertain" to maintain reader engagement and prevent monotony.
Common error
Avoid starting multiple consecutive sentences with "remained unclear". This repetition can make your writing sound monotonous and less engaging. Mix up sentence structures and use synonyms to vary your expression and improve readability.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remained unclear" functions as a predicate adjective, modifying a subject to indicate a state of continued uncertainty or lack of clarity. As Ludwig AI confirms, the phrase is grammatically sound and commonly used. Ludwig's examples demonstrate its use across diverse subjects.
Frequent in
News & Media
78%
Science
17%
Formal & Business
2%
Less common in
Wiki
2%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "remained unclear" is a grammatically correct and frequently used expression to indicate a persistent lack of clarity or understanding. As Ludwig AI confirms, it's commonly found in news articles, scientific papers, and other formal contexts. When using this phrase, ensure it aligns with the intended meaning of unresolved ambiguity and consider alternative phrases like "stayed ambiguous" to diversify your writing. Avoid overuse, and be mindful of its neutral to formal tone to maintain consistent with your content's register.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
stayed ambiguous
Focuses on the persistent ambiguity, highlighting that the lack of clarity continues.
was still uncertain
Emphasizes the ongoing uncertainty or doubt surrounding the subject.
was not yet clear
Indicates that clarity has not been achieved up to the present time.
continued to be vague
Highlights the persistence of vagueness, suggesting an ongoing lack of specific details.
was left undefined
Focuses on the lack of definition, suggesting that specific parameters or details were absent.
was unresolved
Highlights that the issue or question in point has no current resolution.
has not been clarified
Indicates that no clarification was provided, suggesting it still needs further explanation.
was obscure
Suggests the matter was hidden, not easily discovered, or understood.
defied understanding
Expresses that something is so difficult that it is impossible to comprehend.
was not yet determined
Indicates that a decision or conclusion is still pending.
FAQs
How can I use "remained unclear" in a sentence?
Use "remained unclear" to indicate that something has not been fully explained or understood. For example, "The reasons for the sudden departure "remained unclear", despite numerous attempts to investigate the matter."
What are some alternatives to "remained unclear"?
You can use alternatives like "stayed ambiguous", "was still uncertain", or "was not yet clear" depending on the specific nuance you wish to convey.
Is it better to say "the motive remained unclear" or "the motive was unclear"?
Both phrases are grammatically correct. However, "the motive "remained unclear"" suggests that there was an expectation or attempt to clarify the motive, but it was not successful. "The motive was unclear" simply states the lack of clarity without implying a prior attempt to understand it.
What's the difference between "unclear" and "unclear"?
"Unclear" simply means not clear or not easily understood. Adding "remained" suggests that a previous attempt or expectation of clarity existed, but the situation or information did not become clearer over time. For example, "Despite further investigation, the details "remained unclear"".
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested