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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
did not keep
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "did not keep" is correct and usable in written English.
You can use it to indicate that someone failed to maintain or adhere to something, such as a promise, agreement, or standard. Example: "She did not keep her promise to help me with the project."
✓ Grammatically correct
News & Media
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
He did not keep them.
News & Media
Yarynich did not keep quiet.
News & Media
Morality did not keep well......
News & Media
He did not keep his word.
News & Media
In powerless refrigerators, food did not keep.
News & Media
That did not keep him away.
News & Media
Obama did not keep his promises.
News & Media
He did not keep in touch.
News & Media
Technology and service "did not keep pace".
News & Media
However the Commission did not keep its promise.
Wages, meanwhile, did not keep pace.
News & Media
Expert writing Tips
Best practice
Consider replacing "did not keep" with stronger verbs like "violated", "neglected", or "abandoned" for a more impactful statement, depending on the specific nuance you want to convey.
Common error
Avoid using "did not keep" without specifying what was not kept. For example, instead of saying "He did not keep", clarify with "He did not keep his appointment" or "He did not keep the information confidential".
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "did not keep" primarily functions as a verbal phrase expressing negation of an action. It indicates a failure to maintain, adhere to, or fulfill something. As Ludwig confirms, this phrase is grammatically correct and widely used.
Frequent in
News & Media
77%
Science
14%
Formal & Business
9%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "did not keep" is a versatile and grammatically sound expression used to indicate a failure to maintain, adhere to, or fulfill an obligation. As Ludwig confirms, this phrase is widely used across various contexts, particularly in news and media. When using "did not keep", it is important to provide clear context about what was not maintained or adhered to. Alternatives such as "failed to maintain" or "did not uphold" can provide a more formal tone, while options like "went back on" offer a more casual feel. By understanding these nuances, you can effectively use "did not keep" in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
failed to maintain
This alternative directly replaces "did not keep" with a more formal expression of failing to uphold something.
did not fulfill
Specifies the failure to complete or achieve something expected.
failed to uphold
Emphasizes the failure to support or defend something, similar to not keeping an agreement or promise.
did not adhere to
Highlights a failure to follow rules, guidelines, or standards.
did not comply with
Emphasizes the failure to follow a command or regulation.
neglected to preserve
Focuses on the lack of effort in maintaining something in its original condition.
went back on
Suggests withdrawing from a commitment, similar to not keeping one's word.
fell short of
Indicates a failure to reach a required standard or expectation.
reneged on
This phrase indicates a broken promise or agreement, offering a more informal tone.
defaulted on
Implies a failure to meet a financial obligation or commitment.
FAQs
How can I rephrase "did not keep" to sound more formal?
You can replace "did not keep" with more formal alternatives such as "failed to maintain", "did not uphold", or "did not comply with", depending on the context.
What is a more casual way to say "did not keep"?
Informal alternatives to "did not keep" include "went back on", "reneged on", or simply "broke depending on the context".
Is there a difference between "did not keep" and "failed to keep"?
While similar, "failed to keep" often implies an inability to maintain something, whereas "did not keep" can also suggest a deliberate choice not to maintain or follow through with something.
How to use "did not keep" in a sentence?
You can use "did not keep" to indicate that someone failed to maintain or adhere to something. For example: "The government "did not keep" its promise to lower taxes".
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested