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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
that was insufficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that was insufficient" is correct and usable in written English.
You can use it to indicate that something did not meet the required standard or expectation. Example: "The report you submitted was lacking in detail; that was insufficient for our needs."
✓ Grammatically correct
News & Media
Science
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
37 human-written examples
There are two reasons that was insufficient for the Republicans.
News & Media
The internal review concluded that the report "did not meet accepted quality standards" and "relied on a body of testimonial evidence that was insufficient or inconclusive".
News & Media
One-quarter of the 7-year-olds had an antibody response to diphtheria that was insufficient to protect against infection, and they had a 16.5percentt decrease in response to the tetanus vaccination for each doubling of the cumulative PCB exposure.
News & Media
In the end the TFF decided to suspend the Super League for one week, a decision that was insufficient from the beginning and made even more hollow by the fact that the game between Besiktas and Basaksehir was allowed to take place that same night and that the lower leagues were allowed to carry on playing.
News & Media
The poor solubility of Form B resulted in a significant reduction in the oral exposure from a nanosuspension to a level that was insufficient for toxicological evaluation of compound 1.
Among responders to CBZ, 27% of patients incurred in adverse events that directly caused interruption of treatment by the physician or a dosage reduction to a level that was insufficient to control pain, thus causing discontinuation, after a mean period of 8.6 months.
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
"From our point of view, that's insufficient," he said.
News & Media
People have been wasting hours in queues to collect small amounts of cash that are insufficient for normal activity.
News & Media
It's not that the older sister's behaviour didn't cause hurt, but it is a story that is insufficient.
News & Media
Food intake that is insufficient to meet dietary energy requirements continuously.
Formal & Business
Note the "probably:" That's insufficient grounds for extrajudicial execution.
News & Media
Expert writing Tips
Best practice
Use "that was insufficient" to clearly and directly express that something failed to meet a necessary requirement or standard. It's suitable for both formal and informal contexts, ensuring your message is easily understood.
Common error
While it might be tempting to use more elaborate language, remember that clarity is key. Replacing "that was insufficient" with overly complex synonyms can confuse your audience and dilute your message. Simple, direct language is often more effective.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that was insufficient" functions as a judgmental statement, typically following an event or action. It evaluates whether the preceding subject met the required standard or fulfilled a necessary condition. As Ludwig indicates, the phrase is grammatically sound and commonly used.
Frequent in
News & Media
38%
Science
48%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that was insufficient" is a grammatically correct and commonly used expression to indicate a deficiency or failure to meet a required standard. Ludwig AI confirms its validity and widespread usage. The phrase is versatile, appearing across various contexts such as news, science, and formal business settings, as well as more informal conversations. While alternatives like "that was inadequate" or "that was not enough" exist, "that was insufficient" provides a clear and direct way to communicate a lack of adequacy. Therefore, use it confidently, remembering clarity and simplicity are often the most effective strategies.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that was inadequate
Replaces 'insufficient' with 'inadequate', suggesting a slightly stronger degree of deficiency.
that was not enough
A more straightforward and common way of expressing the same meaning.
that proved to be lacking
Emphasizes the result of something being insufficient after a period or test.
that fell short
Suggests a failure to reach a required standard or expectation.
that didn't suffice
Uses 'suffice' to indicate that something was not adequate or enough.
that was deficient
Highlights a specific lack or absence of something needed.
that was unavailing
Implies that the effort or resource was ultimately ineffective.
that was not up to par
Indicates that something didn't meet the expected level or quality.
that was below expectations
Focuses on the discrepancy between the outcome and what was anticipated.
that didn't cut it
An informal expression meaning that something was not good enough.
FAQs
How can I use "that was insufficient" in a sentence?
You can use "that was insufficient" to indicate something did not meet the required standard or expectation. For example: "The initial investment proved promising, but ultimately "that was insufficient" to cover the project's expenses."
What are some alternatives to "that was insufficient"?
Alternatives include "that was inadequate", "that was not enough", or "that fell short" depending on the context.
Is "that was insufficient" formal or informal?
"That was insufficient" is generally considered suitable for both formal and informal contexts. Its neutrality allows for wide application, though more casual options exist.
What's the difference between "that was insufficient" and "that was inadequate"?
While both phrases are very similar, "that was insufficient" implies a lack of quantity or degree required for a specific purpose. "That was inadequate" might suggest a more general deficiency in quality or ability.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested