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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
unsubstantial
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'unsubstantial' is a correct and usable word in written English.
It means lacking in substance, being insubstantial or not having a solid or tangible form. It can be used in both formal and informal contexts. Example: The new evidence provided by the witness was considered unsubstantial and did not hold up in court. In this sentence, 'unsubstantial' is used to describe the quality of the evidence being presented as being weak or lacking in weight. This word can also be used to describe ideas, arguments or claims that are not considered to be solid or convincing. For example, "The politician's promises sounded unsubstantial and failed to win over the voters."
✓ Grammatically correct
News & Media
Encyclopedias
Formal & Business
Alternative expressions(8)
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
21 human-written examples
THE world's leaders have woefully little to build on from the first week of the UN's Earth Summit, which was colourful but unsubstantial.
News & Media
The world's leaders had woefully little to build on from the first week of the summit negotiations, which was colourful but unsubstantial.
News & Media
Some of the definitions Johnson later entered under "vanity" in his Dictionary suggest the range of meaning of his title, including "emptiness," "uncertainty," "fruitless desire, fruitless endeavour," "empty pleasure; vain pursuit; idle show; unsubstantial enjoyment; petty object of pride," and "arrogance".
Encyclopedias
Reading the poems, we were struck by a certain thin and unsubstantial quality in them, a kind of colorful impermance, suggesting that the gossmer of poetry is still too delicate a substance for beltiness.
News & Media
During those hours...the eerie, unsubstantial disorderliness of those blocks of structures becomes apparent, & anyone walking alone through that ugliness can see without any trouble that Sixth is not a human thoroughfare at all but only a propped-up imitation of a thoroughfare.
News & Media
The famous Katsura Palace was a more frivolous & unsubstantial building than he'd expected - an empty picture frame.
News & Media
His achievements are unsubstantial; he has had an undistinguished political career.
News & Media
There is precious little that is unsubstantial or petite about its food.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
The New Yorker, September 29 , 1934P. 9 There was a dreay, unsubstantial-looking gentleman fumbling around our office, the thing festering his mind was that he had to pay some back taxes, plus 6% interest.
News & Media
By Harold Ross and E. B. White The New Yorker, September 29 , 1934P. 9 There was a dreay, unsubstantial-looking gentleman fumbling around our office, the thing festering his mind was that he had to pay some back taxes, plus 6% interest.
News & Media
"There are two gates," she explains, "through which these unsubstantial fancies proceed; the one is of horn, and the other ivory.
News & Media
Expert writing Tips
Best practice
When describing abstract concepts like arguments or plans, use "unsubstantial" to convey a lack of solid evidence or practical viability.
Common error
Avoid using "unsubstantial" when you mean "insignificant". "Unsubstantial" refers to a lack of physical or factual basis, while "insignificant" refers to a lack of importance. For example, an argument can be unsubstantial if it lacks evidence, but a detail is insignificant if it doesn't matter much.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "unsubstantial" is as an adjective. It modifies nouns, describing them as lacking substance, solidity, or weight. Ludwig AI confirms it's a correct word.
Frequent in
News & Media
52%
Formal & Business
26%
Encyclopedias
13%
Less common in
Science
4%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The word "unsubstantial" functions as an adjective that describes something lacking substance, weight, or a solid foundation. Ludwig AI validates its grammatical correctness and practical usability across various writing styles. With common usage in "News & Media" as well as "Formal & Business" contexts, this word accurately communicates a lack of physical or factual basis. To enhance your writing, remember that while "insubstantial" is a direct synonym, be careful not to confuse "unsubstantial" with "insignificant". Understanding these nuances ensures effective and precise communication when conveying ideas about things that lack a solid foundation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
insubstantial
This is the closest synonym, almost perfectly interchangeable and maintains the literal meaning of lacking substance.
without substance
A more descriptive way of saying "unsubstantial", emphasizing the absence of any real content or value.
tenuous
Implies a lack of strength or solidity, suggesting something is fragile or easily broken.
flimsy
Suggests a lack of physical substance or strength, often implying poor construction or design.
fragile
Emphasizes the delicate and easily damaged nature of something, lacking robustness.
weak
Indicates a lack of strength or power, suggesting something is easily overcome.
lacking weight
Highlights the absence of importance or significance, referring to the impact or influence of something.
groundless
Specifically refers to a lack of factual basis or evidence, applicable to arguments or claims.
baseless
Similar to "groundless", highlighting the lack of foundation or support for a statement or belief.
hollow
Implies emptiness or lack of sincerity, suggesting something is without genuine feeling or meaning.
FAQs
How can I use "unsubstantial" in a sentence?
You can use "unsubstantial" to describe something lacking substance, weight, or a solid foundation. For example, "The evidence presented was "unsubstantial" and did not convince the jury."
What's the difference between "unsubstantial" and "insubstantial"?
"Unsubstantial" and "insubstantial" are synonyms and can be used interchangeably to describe something lacking substance or solidity.
What can I say instead of "unsubstantial"?
Is "unsubstantial" a formal or informal word?
"Unsubstantial" is a neutral word that can be used in both formal and informal contexts. Its appropriateness depends more on the surrounding vocabulary and the overall tone of the writing.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested