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
is sufficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is sufficient" is correct and can be used in written English.
It is used to indicate that something meets a minimum requirement or is adequate. For example, "The amount of money he won in the lottery is sufficient to retire comfortably."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
is adequate
is enough
suffices
is necessary
is suitable
is satisfactory
is ample
is fitting
meets the requirements
is capable
is deemed invalid
is considered secure
is appropriate
is regarded necessary
is deemed unsafe
is deemed accurate
is deemed adequate
is deemed sufficient
is regarded as vital
is deemed appropriate
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
"One time is sufficient".
News & Media
The influence is sufficient".
News & Media
The payroll is sufficient.
News & Media
God alone is sufficient".
News & Media
Imprisonment for life is sufficient.
News & Media
An e-mail is sufficient".
News & Media
It is sufficient to be respected.
News & Media
Usually just electing a Democrat is sufficient.
News & Media
This is sufficient to sustain it.
News & Media
But it is sufficient to stoke interest.
News & Media
Two children is sufficient," Joyce adds.
News & Media
Expert writing Tips
Best practice
When determining if something "is sufficient", clearly define the requirements or needs it must meet to avoid ambiguity.
Common error
Avoid using "is sufficient" when something barely meets requirements. Instead, consider alternatives like "is barely adequate" to more accurately reflect the situation.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is sufficient" functions as a predicate adjective, describing the subject's state of being adequate or meeting the required needs. Ludwig provides numerous examples where the phrase clearly indicates adequacy in various contexts.
Frequent in
News & Media
42%
Wiki
30%
Science
23%
Less common in
Formal & Business
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "is sufficient" is a grammatically correct and widely used expression to indicate that something meets a necessary requirement or is adequate for a specific purpose. As affirmed by Ludwig, the phrase is commonly found in news articles, scientific publications, and general writing, maintaining a neutral register suitable for diverse contexts. Understanding its proper usage can enhance clarity and precision in writing, as noted in the usage guidance. The phrase is considered very common.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is adequate
Replaces "sufficient" with a synonym emphasizing the acceptability of something meeting a requirement.
suffices
A more concise and formal way of saying "is sufficient".
is enough
A simpler and more direct alternative, suitable for informal contexts.
is suitable
Emphasizes the appropriateness of something for a particular situation or use.
is satisfactory
Indicates that something meets the required standard or expectation.
is plenty
An informal way to express that there is enough of something.
is ample
Suggests that there is more than enough, implying abundance.
is fitting
Suggests that something is perfectly matched or aligned with a specific need or requirement.
meets the requirements
Focuses specifically on fulfilling a set of criteria or standards.
is capable
Focuses on the ability of something to fulfill a specific purpose or function.
FAQs
How can I use "is sufficient" in a sentence?
Use "is sufficient" to indicate that something meets the minimum requirements or is adequate for a particular purpose. For instance, "One example "is sufficient" for this demonstration".
What are some alternatives to "is sufficient"?
Alternatives include phrases like "is adequate", "is enough", or "suffices". The best choice depends on the context and desired level of formality.
Is it correct to say "is sufficient enough"?
No, "is sufficient enough" is redundant. "Sufficient" already implies 'enough', so using both words together is unnecessary. Simply use ""is sufficient"" or ""is enough"".
What's the difference between "is sufficient" and "is necessary"?
"Is sufficient" means something meets the requirements, while "is necessary" means something is essential and cannot be done without. Something that "is sufficient" might be adequate but not absolutely required, whereas something that "is necessary" is indispensable.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested