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
insufficiently
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "insufficiently" is correct and usable in written English.
It can be used to describe a lack of adequacy or sufficiency in various contexts, such as performance, resources, or information. Example: "The report was insufficiently detailed, leading to confusion among the team members."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
60 human-written examples
The Paris-based thinktank notes the budget deficit has been "significantly reduced since the peak of 2009, but at a slower pace recently notably as growth has been insufficiently tax-rich".
News & Media
Although the government has an overall majority of 12 seats in the Commons, Cameron is massively outnumbered in the House of Lords, and his whips will have to be alert to any signs of rebellions by backbench MPs, possibly made restive by the prime minister's promotion of an insufficiently ambitious EU renegotiation agenda.
News & Media
But there was recurring evidence that he could be insensitive to democratic demands and insufficiently wary of authoritarian regimes.
News & Media
This was insufficiently recognised at the start of scaling-up, where increased funding was directly linked to assumed greater impact".
News & Media
Villains unworthy of vilification can be found in everything from the Austin Powers comedies, where the insufficiently wicked plans of Dr Evil positively drip bathos, to Skyfall, where Javier Bardem essentially played a neglected son jealous of Bond's relationship with their surrogate mother, M. Children's films have been veering this way for a while.
News & Media
Warsi was thought insufficiently clubbable, which was inevitable when her agenda was to change the club culture.
News & Media
Of course, Labour should be on the side of ladder climbers, but it has been insufficiently sensitive to the shadow they cast over those who cannot or do not want to climb with them.
News & Media
But Austin portrayed a battle to recapture Mosul, Iraq's second largest city, as long off, owing to an insufficiently capable Iraqi army.
News & Media
Bennett will want to take votes off Labour and the Liberal Democrats, so she needs to portray them both as insufficiently radical on issues such as nationalising the railways.
News & Media
Nations that had been insufficiently or too fervidly imagined – Burma and Pakistan come to mind – could not break free of their flawed origins, and have kept lurching for much of the last half-century between civilian and military despots.
News & Media
The delay in publishing the names arose because the sample size was deemed insufficiently robust "and may have given a false picture of the situation across the country", he said.
News & Media
Expert writing Tips
Best practice
When using "insufficiently", ensure the context clearly indicates what is lacking or inadequate. For example, "The data was insufficiently detailed to draw a firm conclusion."
Common error
Avoid using "insufficiently" without specifying what aspect is deficient. For example, instead of saying "The analysis was insufficiently thorough", clarify with "The analysis was insufficiently thorough in its examination of long-term effects."
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The adverb "insufficiently" modifies verbs, adjectives, or other adverbs to indicate a deficiency in the degree or extent of an action, quality, or manner. It expresses that something is not adequate or sufficient for a particular purpose. Ludwig provides numerous examples demonstrating its correct usage.
Frequent in
News & Media
50%
Formal & Business
20%
Science
15%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "insufficiently" is a grammatically sound and frequently used adverb that indicates a lack of adequacy. As Ludwig AI confirms, it is most commonly found in news, business, and scientific contexts. When using "insufficiently", ensure that the scope of the deficiency is clear to avoid ambiguity. Consider alternatives such as "inadequately" or "not enough" to add variety to your writing. Ludwig's examples highlight the versatility and correctness of this term across a range of formal and informal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Not sufficiently
Rephrasing of the original term, providing a slightly different emphasis.
Inadequately
Direct synonym, emphasizing the lack of required quality or quantity.
Not enough
Simple and direct way of expressing a lack of sufficiency.
Deficiently
Focuses on the presence of a specific deficiency or shortcoming.
Lacking
Highlights the absence of something necessary or desirable.
Scarcely
Emphasizes a minimal or barely adequate amount.
Poorly
Indicates a substandard or unsatisfactory level of performance or quality.
Barely
Stresses the narrow margin by which something meets a requirement.
Hardly
Similar to 'scarcely', indicating a minimal degree or extent.
To a limited extent
More formal expression indicating a restricted degree of sufficiency.
FAQs
How can I use "insufficiently" in a sentence?
Use "insufficiently" to indicate that something lacks the necessary quality or quantity. For example, "The budget was "insufficiently funded" to complete the project."
What are some alternatives to saying "insufficiently"?
You can use alternatives like "inadequately", "not enough", or "deficiently" depending on the specific context.
Which is correct, "insufficiently" or "not sufficiently"?
Both "insufficiently" and "not sufficiently" are correct, but "insufficiently" is more concise. The choice depends on the desired tone and style.
What's the difference between "insufficiently" and "inadequately"?
"Insufficiently" and "inadequately" are largely synonymous, both indicating a lack of sufficiency. However, "inadequately" may sometimes imply a lower standard or quality than "insufficiently".
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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested