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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
is unfounded
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is unfounded" is correct and usable in written English.
It can be used to describe a claim, belief, or accusation that lacks evidence or justification. Example: "The allegations made against the company are unfounded and have no basis in reality."
✓ Grammatically correct
News & Media
Encyclopedias
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
This concern is unfounded.
News & Media
That is unfounded.
News & Media
This fear is unfounded.
News & Media
I think it is unfounded.
News & Media
Any such fear is unfounded.
News & Media
Proponents say this fear is unfounded.
News & Media
It is unfounded, ill-conceived, and illegal.
Encyclopedias
Yet this huge fear is unfounded.
News & Media
His conclusion that most Americans are anti-abortion is unfounded.
News & Media
The doomsday talk from the industry is unfounded, he said.
News & Media
But some growth hormone experts say that worry is unfounded.
News & Media
Expert writing Tips
Best practice
Use "is unfounded" to directly and assertively dismiss claims or concerns that lack a solid foundation. Be sure to provide context or evidence to support your assertion.
Common error
Avoid using the phrase "is unfounded" without explaining why the claim lacks merit. Simply stating that something is unfounded can come across as dismissive or arrogant. Always provide a brief explanation or supporting evidence to justify your assertion.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is unfounded" functions as a predicate adjective, modifying a noun (often a claim, fear, or concern) and asserting that it lacks a factual or logical basis. As Ludwig AI confirms, it is a correct and usable phrase. The examples show it in sentences where the speaker or writer is dismissing a statement as untrue or unsupported.
Frequent in
News & Media
68%
Science
18%
Encyclopedias
8%
Less common in
Wiki
3%
Formal & Business
2%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "is unfounded" is a grammatically sound and frequently used expression that asserts the lack of basis or justification for a claim, belief, or concern. As Ludwig AI confirms, it is correct and usable in written English. Predominantly found in News & Media, Science, and Encyclopedias, its register is generally neutral, and it serves to refute or dismiss information assertively. When using the phrase, be certain to provide context or supporting evidence. Common alternatives include "is baseless", "is unsubstantiated", and "is unwarranted".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is without basis
Focuses on the absence of a foundational element.
is unsubstantiated
Highlights the lack of proof or evidence to support a claim.
is not justified
Emphasizes that there's no legitimate reason or excuse for something.
is lacking merit
Indicates that something is deficient in worth or quality.
is without merit
Similar to "lacking merit", but with a stronger emphasis on the absence of any value.
is unsupported
Highlights the absence of backing or validation.
is not valid
Asserts that something doesn't hold true or isn't sound.
is groundless
Similar to "without basis", but suggests a more extreme lack of foundation.
is unwarranted
Suggests that something is not deserved or justified in the given situation.
is fallacious
Highlights a flaw or error in reasoning or logic.
FAQs
How can I use "is unfounded" in a sentence?
You can use "is unfounded" to express that a claim, fear, or belief has no basis in fact or evidence. For example: "The rumor that the company is facing bankruptcy is unfounded".
What are some alternatives to "is unfounded"?
Alternatives include "is baseless", "is unsubstantiated", or "is unwarranted". The best choice depends on the specific nuance you want to convey.
Is it better to say "is unfounded" or "is not founded"?
"Is unfounded" is the more common and idiomatic expression. "Is not founded" is grammatically correct, but sounds less natural. It's better to use "is unfounded" in most contexts.
What does it mean when a concern "is unfounded"?
When a concern "is unfounded", it means that the worry or anxiety is not based on any real or logical reason. It's essentially a fear that "is baseless".
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested