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
is groundless
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is groundless" is correct and usable in written English.
It can be used to describe a claim, accusation, or belief that lacks any basis or justification. Example: "The allegations made against him are completely groundless and have no evidence to support them."
✓ Grammatically correct
News & Media
Academia
Science
Encyclopedias
Alternative expressions(17)
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
58 human-written examples
"This concern is groundless," the report says.
News & Media
Quadrangle has said the claim is groundless.
News & Media
"That claim is groundless," Stephanopoulos said.
News & Media
If no justification is offered, then the criterion is groundless.
Encyclopedias
Republican senators' harsh criticism of the nomination is groundless.
News & Media
I am certain that the accusation is groundless".
News & Media
If it is not justified, then again the criterion is groundless.
Encyclopedias
"So much of the fuss that's being made about this piece is groundless.
News & Media
EU Commissioner Neelie Kroes tweeted that "The Twitter ban in #Turkey is groundless, pointless, cowardly.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
The 'ground' is 'groundless' — in the sense of 'uncaused' — and it must be understood in terms of freedom if a Spinozist determinism is to be avoided.
Science
Therefore, we do not believe that 'the similarity of biological consequences of waterpipe and cigarette smoking' is 'groundless', as Chaouachi (2013) has stated.
Science
Expert writing Tips
Best practice
Use "is groundless" when you want to express that a claim, accusation, or fear has no basis in fact or evidence. It's suitable for formal and informal contexts.
Common error
Avoid using "is groundless" to describe physical objects or situations that are literally on the ground. This phrase is best used for abstract concepts like claims, accusations, or fears.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is groundless" functions as a predicate adjective, describing a noun or pronoun as lacking a basis or justification. Ludwig AI confirms this usage is grammatically correct and widely accepted.
Frequent in
News & Media
60%
Academia
15%
Science
15%
Less common in
Encyclopedias
7%
Wiki
2%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "is groundless" is a grammatically correct and very common way to express that a claim, accusation, or belief lacks any basis or justification. Ludwig AI confirms that it's usable in different contexts, ranging from formal writing to informal discussions. While it is most frequently found in News & Media, it also appears in academic and scientific publications. When using this phrase, be sure it refers to abstract concepts rather than concrete objects. Alternatives like "is unfounded", "is baseless", and "is unsubstantiated" offer similar meanings with slight differences in emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is without foundation
Emphasizes the lack of a solid base or support.
is not based on fact
Directly states the absence of factual support.
has no basis in reality
Stresses the disconnection from actual facts or events.
is devoid of truth
Highlights the absence of factual accuracy.
is lacking substance
Focuses on the absence of meaningful content or support.
is purely speculative
Highlights that the idea is based on conjecture rather than evidence.
is simply untrue
A straightforward assertion of falsity.
is built on sand
Uses a metaphor to convey a weak and unstable foundation.
is completely fallacious
Emphasizes the flawed logic or reasoning behind the statement.
is a figment of imagination
Suggests the idea is entirely imaginary and unreal.
FAQs
How can I use "is groundless" in a sentence?
You can use "is groundless" to describe claims, accusations, or fears that lack any basis in fact. For example, "The accusation that he stole the money is groundless."
What are some alternatives to saying "is groundless"?
Some alternatives include "is unfounded", "is baseless", or "is unsubstantiated", depending on the specific context.
What does "is groundless" mean?
The phrase "is groundless" means that something lacks any factual basis, reason, or justification. It indicates that a claim or belief has no supporting evidence.
Is it appropriate to use "is groundless" in formal writing?
Yes, "is groundless" is appropriate for formal writing. It's a clear and professional way to express that something lacks a foundation. It's equally suitable for informal conversations as well.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested