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
these are sufficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
"these are sufficient" is a correct and usable phrase in written English.
You can use it when you want to express that a certain number of items or amounts is enough. For example: "We only have five chairs, but these are sufficient for the meeting."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(6)
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
22 human-written examples
The government's consultation paper should make clear that these are sufficient for the media world as well.
News & Media
This arithmetic is devastating, because it implies that the SNP will have smaller swings where these are sufficient to win, but could also secure much more dramatic shifts where required, leaving Labour without any safe refuge.
News & Media
The recently proved Hall Paige conjecture shows that these are sufficient when v="3 and λ="|G|.
Science
The regulations mandate countries to assess their capacities for disease surveillance and response and report whether these are sufficient to meet their obligations.
The electron beam produces electrons in the energy range of 50 100 eV and these are sufficient to ionize any gas within the chamber.
Unlike Joyce's conditions, these are sufficient to narrow the field of legitimate inaccuracy measures to just a single one, namely, the Brier score \(\mathfrak{B}\) that we met in section 5.1 above.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
None of these is sufficient, however, for marriage – or any activity.
News & Media
I think the jury is out on whether government support towards these is sufficient, and there are always questions over policy design.
News & Media
Either of these was sufficient to remove artifactual splittings and to further enhance resolution, while in combination enhancements were maintained.
Which of these is sufficient to rise to the level of "harassment" under this ordinance?
News & Media
Sequencing saturation analysis indicated that these were sufficient for quantitative analysis of gene expression (Additional file 1 Figure S1).
Science
Expert writing Tips
Best practice
When using "these are sufficient", ensure the context clearly defines what "these" refers to. Avoid ambiguity by specifying the items or conditions being deemed adequate.
Common error
Avoid using "these are sufficient" when the items or conditions barely meet the requirements. Using stronger language like "these are more than enough" might be more appropriate if there is a significant surplus.
Source & Trust
83%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "these are sufficient" functions as a predicate adjective phrase, where "these" acts as a pronoun referring to a previously mentioned noun, "are" is a linking verb, and "sufficient" is the adjective describing the pronoun. Ludwig AI confirms its common usage across various domains.
Frequent in
Science
64%
News & Media
24%
Formal & Business
12%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "these are sufficient" is a grammatically sound and commonly used phrase to express that certain items or conditions are adequate or enough. Ludwig AI analysis of numerous examples shows that this phrase is most frequently used in scientific contexts, followed by news and media. While suitable for various settings, it tends towards a neutral to formal register. When employing this phrase, ensure that the reference of "these" is clear and that "sufficient" accurately reflects the degree of adequacy. Consider alternatives like "these are adequate" or "these are enough" based on the desired tone and context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
these are adequate
Replaces "sufficient" with "adequate", implying a satisfactory level or quality, but maintains a similar grammatical structure.
these are enough
Simplifies the phrase by using "enough" instead of "sufficient", making it more concise and informal.
these suffice
Uses the verb "suffice" instead of the adjective "sufficient", changing the grammatical structure while retaining the meaning.
this is adequate
Change the subject to "this", and replaces "sufficient" with "adequate", implying a satisfactory level or quality.
this is enough
Change the subject to "this", and simplifies the phrase by using "enough" instead of "sufficient", making it more concise and informal.
these will do
Expresses acceptance or satisfaction with what is available, suggesting it meets the requirements.
these are ample
Substitutes "sufficient" with "ample", suggesting more than enough is available.
these are plentiful
Replaces "sufficient" with "plentiful", indicating abundance rather than just adequacy.
this fulfills the requirements
Uses a more formal and explicit way to express that something meets the necessary conditions.
these meet the criteria
Implies the items satisfy a defined set of standards or conditions.
FAQs
How can I use "these are sufficient" in a sentence?
Use "these are sufficient" to express that certain items, amounts, or conditions are adequate or enough to meet a specific need or purpose. For instance, "These resources "are sufficient" for the project's initial phase".
What alternatives can I use instead of "these are sufficient"?
You can use alternatives like "these are adequate", "these are enough", or "these suffice" depending on the context and desired level of formality.
Is it more appropriate to say "these are sufficient" or "this is sufficient"?
Use "these are sufficient" when referring to multiple items or conditions, and "this is sufficient" when referring to a single item or condition. The choice depends on whether you're discussing a plural or singular subject.
What's the difference between "these are sufficient" and "these are ample"?
"These are sufficient" implies that something meets the minimum requirements, while "these are ample" suggests that there is more than enough. "Ample" indicates a greater quantity or degree than is strictly necessary.
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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
4.4/5
Expert rating
Real-world application tested