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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
maintained and update
Grammar usage guide and real-world examplesUSAGE SUMMARY
"maintained and update" is correct and usable in written English.
You can use it when referring to keeping something up-to-date. For example, "We need to ensure our records are maintained and updated regularly."
✓ Grammatically correct
Science
News & Media
Alternative expressions(17)
keep up-to-date and maintain
routinely maintain and revise
continuously maintain and refresh
routinely maintain and update
maintain and keep current
maintain and upgrade
preserve and update
sustain and update
update and update
maintained and updating
updates and update
maintained and made
maintenance and update
maintain and update
retain and update
maintained and upgraded
maintained and up to date
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
1 human-written examples
Monthly site visits were arranged to meet with staff to discuss problems and difficulties in recruitment and data collection; to ensure standardised practices were maintained and update training as necessary; and to collect completed raw data.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
A blockchain, in contrast, is a public database that is continually maintained and updated by software running on thousands of computers all over the world.
News & Media
Sadly, it has since been neglected, but Wissing's work has been lovingly maintained and updated by the Dutch designer Paul Mijksenaar.
News & Media
A collection of superior solutions found by individuals so far is maintained and updated dynamically.
Science
It is populated off-line, and maintained and updated by each municipality with local information.
Therefore, the method of constructing a knowledgebase must be easily maintained and updated.
Average user rates X ̄ m t are maintained and updated as in (6).
The merged database will have 30 million places, and be maintained and updated by Factual.
News & Media
Of course, this only relies on CrunchBase, which needs to be maintained and updated.
News & Media
The respondent also reported that the BC plan was maintained and updated twice a year on average.
You can maintain a portfolio on Investor.com, but it's independent of the one on your PC, so each has to be maintained and updated separately.
News & Media
Expert writing Tips
Best practice
When using "maintained and update", ensure that the subject requires both ongoing preservation and periodic revisions to remain current and effective.
Common error
Avoid shifting between past and present tenses when describing the actions. For example, instead of "the database is maintained and will update next month", use "the database is maintained and updated regularly".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "maintained and update" functions as a compound verb phrase. It describes actions taken to keep something functional and current. As Ludwig AI confirms, the phrase is correct and usable.
Frequent in
Science
50%
News & Media
25%
Formal & Business
25%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "maintained and update" is a grammatically sound expression used to describe the dual actions of preserving something in good condition and periodically bringing it up to date. While Ludwig AI confirms it's correct and usable, its frequency is rare. It’s often found in scientific and news contexts. Keep in mind the slight nuance differences between similar alternatives like "maintained and upgraded" or "routinely maintained and revised".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
routinely maintain and update
Adds "routinely" to highlight the frequency of the actions.
maintain and keep current
Replaces "update" with "keep current" for similar meaning.
keep up-to-date and maintain
Reverses the order and adds 'keep up-to-date' for emphasis.
continuously maintain and refresh
Uses "refresh" instead of "update", suggesting a renewal aspect.
regularly maintain and revise
Substitutes "update" with "revise", implying a more thorough review.
maintain and upgrade
Substitutes "update" with "upgrade", implying a enhancement aspect.
preserve and update
Replaces 'maintain' with 'preserve', focusing on preserving something before updating it.
sustain and update
Replaces 'maintain' with 'sustain', focusing on the endurance of something before updating it.
keep in good repair and update
Adds 'keep in good repair', emphasizing the condition before updating.
service and update
Replaces maintain with 'service', adding a aspect of assistance and support.
FAQs
How to use "maintained and update" in a sentence?
You can use "maintained and update" to describe a system, database, or process that requires both ongoing maintenance and periodic updates. For instance, "The software is "maintained and updated" regularly to ensure optimal performance".
What's the difference between "maintained and update" and "maintained and upgraded"?
"Maintained and update" refers to keeping something in good working order and bringing it up to date. "Maintained and upgraded", on the other hand, implies that something is not only kept in good condition but also improved or enhanced.
Which is correct, "maintained and update" or "maintained and updating"?
Both phrases can be grammatically correct, but they have slightly different meanings. "Maintained and update" suggests a periodic action, while "maintained and updating" suggests an ongoing action. Choose the phrase that best fits the context.
What can I say instead of "maintained and update"?
You can use alternatives like "keep up-to-date and maintain", "routinely maintain and revise", or "continuously maintain and refresh" depending on the specific nuance you want to convey.
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested