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
were deficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "were deficient" is correct and usable in written English.
It can be used to describe a lack or insufficiency in something, often in a formal or academic context. Example: "The results of the study indicated that the participants' skills were deficient in several key areas."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
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
57 human-written examples
Glutamine deficiency was common: 7 out of 10 patients were deficient according to the definition (Table 1).
More than 50percentt were deficient in reading and almost 75percentt were deficient in math.
News & Media
Discipline, impenetrable goalkeeping and insistent defense carried a prosaic team to the final, but these values were deficient against Brazil.
News & Media
Former BoE deputy governor Charles Bean said in a report earlier this year that many UK statistics were "deficient" and that the ONS needed to improve its capabilities.
News & Media
The rest were deficient in the required technical skills, fluency in English or ability to work in a team or deliver basic oral presentations.
News & Media
Nearly half the executives said that entry-level workers lacked writing skills, and 27percentt said that they were deficient in critical thinking.
News & Media
"And that's not saying they were deficient to begin with; Tom just strives for perfection.
News & Media
That was, he said, "the one area where we were deficient".
News & Media
And it recommended ending T.B.A.'s concession, partly because emergency-brake systems on trains were deficient.
News & Media
But the company admitted that the labels on the meter were deficient, that the company had not properly notified the government of the problems and that it had been slow to fix them.
News & Media
A landmark study of 1,000 families in south-west England, published in The Lancet in 2013, showed that pregnant mothers who were deficient in iodine were more likely to have children with learning difficulties.
News & Media
Expert writing Tips
Best practice
When using "were deficient", clearly specify what the subject was lacking in or deficient of. This provides context and prevents ambiguity.
Common error
Avoid using "were deficient" without specifying the area of deficiency. For instance, instead of saying "the results were deficient", specify "the results were deficient in statistical significance".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were deficient" functions as a copular verb + adjective construction. It serves to attribute a quality of inadequacy or lack to a subject. As Ludwig AI exemplifies, it's used to describe entities that do not meet a required standard or possess necessary qualities.
Frequent in
Science
53%
News & Media
44%
Formal & Business
1%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "were deficient" is a versatile phrase used to express a lack or inadequacy in something. Ludwig AI confirms its grammatical correctness and widespread usage across diverse contexts, particularly in scientific and news-related domains. While alternatives like "were inadequate" and "were lacking" exist, "were deficient" maintains a formal tone appropriate for analytical discussions. To use the phrase effectively, be sure to specify the area of deficiency to provide clarity and avoid ambiguity. Based on the examples, this phrase is particularly common in academic and scientific contexts. With more than 50 examples, it is safe to say that the expression "were deficient" is very common.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
were inadequate
Focuses on the insufficiency of something, similar to "were deficient" but with a slightly less formal tone.
were lacking
Emphasizes the absence of something necessary, closely mirroring the meaning of "were deficient".
were insufficient
Highlights the inadequacy of something to meet a specific need or requirement, similar in meaning to "were deficient".
were wanting
Highlights a deficiency or lack in something, similar in meaning but less common than "were deficient".
did not suffice
Indicates that something was not enough or adequate for a particular purpose, providing a more formal alternative.
fell short
Suggests a failure to reach a required standard or expectation, offering a slightly less direct alternative.
were subpar
Indicates that something was below the expected or required level, providing a more informal alternative.
were weak
Emphasizes the lack of strength or effectiveness, offering a more general alternative to "were deficient".
were impaired
Suggests a reduced ability or function, offering a more specific alternative when referring to skills or abilities.
were compromised
Indicates that something was weakened or damaged, providing a more nuanced alternative when referring to systems or processes.
FAQs
How can I use "were deficient" in a sentence?
You can use "were deficient" to indicate a lack or inadequacy. For example: "The team's resources "were deficient", hindering their progress."
What are some alternatives to "were deficient"?
Alternatives include "were inadequate", "were lacking", or "were insufficient". The choice depends on the specific context and nuance you want to convey.
Is it better to say "were deficient in" or "were deficient at"?
"Were deficient in" is generally preferred and more common. "Were deficient at" is less frequently used but can be appropriate depending on the specific context. For example, “They were deficient in resources” versus “They were deficient at resource management”.
What's the difference between "were deficient" and "were insufficient"?
While both indicate a lack, "were deficient" often implies a more fundamental or critical lack, while "were insufficient" suggests a lack in quantity or degree. Both "were deficient" and "were insufficient" can be used.
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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