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
of substandard quality
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "of substandard quality" is correct and usable in written English.
It can be used to describe something that does not meet the expected standards or is inferior in quality. Example: "The product was returned due to being of substandard quality, failing to meet the advertised specifications."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
18 human-written examples
The pictures seen on the computer are often of substandard quality, and the modem capacity on most computers to store and show long films is a burden.
News & Media
But, in many cases they were delivered at inflated costs, were of substandard quality, or in some cases delivered nothing at all.
News & Media
Much of the existing housing stock tends to be of substandard quality—overcrowded, lacking indoor plumbing, and suffering from structural deterioration.
Encyclopedias
Last week, however, the Cendant Corporation surprised the industry when it announced Project Restore, which it described as a campaign to "purge its systems of substandard quality hotels" and of franchise holders who do not pay their bills on time.
News & Media
This investigation explored the hypothesis that among general dental practitioners (GDPs), the performance of root fillings of substandard quality might be associated with deficient knowledge of factors important to the outcome of endodontic treatment.
Even as it was signing a customs union with Belarus, Russia imposed a ban on Belarusian milk products, which it claimed did not meet its new packaging rules (rather as it once argued that Georgian wine, fruit and mineral water were of substandard quality).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Providers are often not aggressive enough in treating hypertension and other chronic problems [ 6], leading to substandard quality of care, as they are trained to take care of patients when they visit.
Science
I don't really know the objective facts on whether this speaks to substandard quality coming out of China.
News & Media
People are tired of the substandard quality produce in most grocery stores.
Wiki
Scarcity of skilled providers, poor infrastructure and substandard quality of care are some of the critical components of such health systems that constrain progress in maternal and newborn survival [ 17].
Science
Wal-Mart contributes hugely to the substandard quality of life of millions of our citizens.
News & Media
Expert writing Tips
Best practice
When describing products or services, be specific about what aspects are "of substandard quality". Instead of saying "the service was of substandard quality", specify "the service was of substandard quality due to long wait times and inexperienced staff".
Common error
While "of substandard quality" is acceptable, overuse can make your writing sound repetitive. Vary your language by using synonyms like "inferior", "poor", or "deficient" to add nuance and sophistication.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of substandard quality" functions as an adjectival phrase. It is typically used to modify a noun, indicating that the noun does not meet the required or expected quality level. As Ludwig AI confirms, this phrase is commonly used in written English.
Frequent in
Science
47%
News & Media
30%
Formal & Business
9%
Less common in
Encyclopedias
3%
Wiki
3%
Academia
3%
Ludwig's WRAP-UP
In summary, the phrase "of substandard quality" is a grammatically correct and commonly used adjectival phrase that describes something that doesn't meet the expected quality standards. As Ludwig AI confirms, this phrase is well regarded in various written contexts. It's versatile, appearing in scientific, news, and business domains, but remember to be specific about which aspects are lacking in quality for maximum clarity. Consider alternatives like "of inferior quality" or "of poor quality" to avoid repetition. While the phrase is acceptable for most writing, remember to use simpler terms in very informal situations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
of inferior grade
Replaces 'quality' with 'grade', implying a ranking or classification.
of poor caliber
Substitutes 'quality' with 'caliber', suggesting a measurement of worth.
of deficient standard
Replaces 'substandard' with 'deficient', emphasizing a lack of something necessary.
of low-end quality
Uses the term 'low-end' to denote a product or service at the lower spectrum of quality.
of unacceptable standard
Emphasizes that the quality doesn't meet the required or agreed level.
of second-rate quality
Uses a more colloquial term, 'second-rate', to indicate inferiority.
of poor make
Focuses on the construction or manufacturing aspect of the item in question.
not up to par
An idiomatic expression indicating that something does not meet expectations.
below average quality
Uses a statistical term to indicate a quality level that is less than the typical or expected one.
of compromised quality
Highlights that the quality has been negatively affected or reduced.
FAQs
How can I use "of substandard quality" in a sentence?
You can use "of substandard quality" to describe something that doesn't meet the expected standards. For example, "The materials used were "of substandard quality", leading to premature failure".
What are some alternatives to saying "of substandard quality"?
Alternatives include "of inferior quality", "of poor quality", or "of deficient standard". The best choice depends on the specific context and the nuance you want to convey.
Is "of substandard quality" formal or informal?
"Of substandard quality" is generally considered neutral to formal. In very informal contexts, simpler terms like "bad" or "lousy" might be more appropriate. In professional and academic settings, it is a perfectly acceptable and descriptive phrase.
What's the difference between "of substandard quality" and "counterfeit"?
"Of substandard quality" describes items that don't meet expected quality levels, while "counterfeit" describes items made to imitate something else, usually illegally. A counterfeit product may also be "of substandard quality", but not all items "of substandard quality" are counterfeit.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested