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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is questionable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is questionable" is correct and usable in written English.
You can use this phrase when something is uncertain or open to debate. For example, "The validity of the results is questionable."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
is willing to challenge
is likely to challenge
is up for discussion
is debatable
is susceptible to challenge
can be challenged
is subject to constraints
is dubious
is open to challenge
is free to challenge
remains unproven
is subject to appeal
is unconvincing
is open to dispute
is under scrutiny
is contestable
is liable to be contested
is not definitive
is open to conjecture
is uncertain
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
That, too, is questionable.
News & Media
That is questionable.
News & Media
Yet that is questionable.
News & Media
This is questionable.
News & Media
The other is questionable.
News & Media
Historically, that is questionable.
News & Media
And their value is questionable.
News & Media
But their success is questionable.
News & Media
To me, this is questionable.
News & Media
He is questionable for Sunday.
News & Media
But the idea is questionable.
News & Media
Expert writing Tips
Best practice
When using "is questionable", ensure the context clearly indicates what aspect is being doubted or challenged. For example, specify whether it's the accuracy, morality, or practicality that is in question.
Common error
Avoid using "is questionable" as a vague criticism. Always provide context or reasons to explain why something is questionable. For example, instead of just saying "The data is questionable", specify "The data is questionable due to the small sample size and potential bias."
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is questionable" primarily functions as a subject complement, linking a subject to a description of its doubtful or uncertain nature. Ludwig AI affirms its correct and usable structure.
Frequent in
News & Media
45%
Science
25%
Formal & Business
15%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "is questionable" is a versatile expression used to convey doubt or uncertainty about something's validity, reliability, or appropriateness. Ludwig AI confirms its correctness. Its neutral tone makes it suitable for various contexts, including news, science, and formal communication. Related phrases like ""is doubtful"" and ""is dubious"" offer nuanced alternatives, as shown by Ludwig's examples. Remember to provide specific context when using "is questionable" to avoid vagueness and ensure clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is doubtful
Emphasizes uncertainty about the truth or reality of something.
is dubious
Suggests a stronger sense of suspicion or mistrust.
is debatable
Highlights that something is open to argument or discussion.
is uncertain
Focuses on the lack of sureness or predictability.
is suspect
Implies that something is potentially wrong or illegal.
is implausible
Suggests the event or statement isn't believable.
is problematic
Highlights difficulties or issues associated with something.
is unconvincing
Suggests failure to persuade someone of something.
is flimsy
Describes something lacking strength or solidity, both literally and figuratively.
is tenuous
Suggests a weak or insubstantial connection or basis.
FAQs
How can I use "is questionable" in a sentence?
Use "is questionable" to express doubt or uncertainty about something. For instance, "The accuracy of the report "is questionable" given the limited data available".
What are some alternatives to "is questionable"?
You can use phrases like "is doubtful", "is dubious", or "is uncertain" depending on the specific nuance you want to convey.
Is it more appropriate to use "is questionable" or "is doubtful"?
"Is questionable" and "is doubtful" are often interchangeable, but "is questionable" might suggest that something invites inquiry or scrutiny, while "is doubtful" primarily conveys uncertainty.
What does it mean when something "is questionable"?
When something ""is questionable"", it means that its validity, reliability, or appropriateness is open to doubt or challenge. It may not be entirely wrong, but it warrants further examination.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested