under maintenance

USAGE SUMMARY

"under maintenance" is correct and usable in written English.
You can use it when referring to a system, structure, or object that is undergoing repair, or that is temporarily not in use due to upkeep or servicing. For example, "The elevator is currently under maintenance, so please use the stairs."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

The tutorial states it is under maintenance.

Columbia University

The one Chinese aircraft carrier in service, the Liaoning, is under maintenance.

The Washington Post

No 5: Under maintenance when quake struck, temperature slightly rising at spent fuel pool.

The Guardian

No 6 - Under maintenance when quake struck, temperature slightly rising at spent fuel pool.

The Guardian

The LHC has been under maintenance since the end of 2015, so there is no additional data taken since the initial announcement on December 18th last year.

The Guardian

No 4: Under maintenance when quake struck, fire caused possibly by hydrogen explosion at pool holding spent fuel rods, pool water level feared receding.

The Guardian

The patient responded to first-line therapy and is still under maintenance treatment 18 months after diagnosis.

Journal of Thoracic Oncology

Moreover, these studies have not considered some interesting factors, such as a maintainer's prior exposure to the program under maintenance.

Information and Software Technology

"You may still have some sloppiness in the market," she told analysts on a conference call, referring to how refining capacity under maintenance was coming back on line.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

The existing infrastructure suffers due to under-maintenance, leakages and evaporation.

Columbia University

Passive DNA demethylation occurs through inhibition or under-maintenance of DNMTs throughout cycles of replication, while active DNA demethylation requires specific enzymatic reactions [26].

Plosone

Expert writing Tips

Best practice

When using "under maintenance", clearly state the expected duration or provide updates on the progress to manage user expectations and minimize frustration. For example: 'The website is currently "under maintenance"; we expect it to be back online within 2 hours.'

Common error

Avoid using "under maintenance" for systems or services that are permanently discontinued. Instead, use terms like 'retired', 'discontinued', or 'no longer available' to accurately reflect the status.

Linguistic Context

The phrase "under maintenance" functions as an adjective phrase modifying a noun, indicating that the noun is currently undergoing repairs or upkeep. It is used to explain the temporary unavailability of a service or system. As Ludwig AI explains, the phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

33%

Science

33%

Academia

10%

Less common in

Encyclopedias

3%

Wiki

3%

Formal & Business

1%

Ludwig's WRAP-UP

In summary, the phrase "under maintenance" is a grammatically sound and frequently used expression to indicate that something is temporarily unavailable due to repairs, servicing, or updates. As Ludwig AI confirms, it's a correct and usable phrase in written English. It appears across various contexts, including news, science, and academia, with a neutral register suitable for diverse audiences. When using this phrase, it’s best practice to provide estimated downtimes to manage expectations. Be sure not to use it to describe permanent removal, where words like 'retired' or 'discontinued' are more appropriate.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

under repair

Focuses specifically on the act of repairing something.

undergoing maintenance

Highlights the process of maintenance being performed.

out of service

Emphasizes the unavailability of a service.

being serviced

Highlights the action of providing maintenance.

temporarily unavailable

A more general term indicating temporary lack of access.

being repaired

Specifies that repair work is in progress.

currently being fixed

Emphasizes the present action of fixing something.

experiencing downtime

Focuses on the period when a system is not operational.

temporarily offline

Specifically indicates that a system is not connected or running.

in the process of being fixed

A longer, more descriptive way of saying something is being repaired.

FAQs

What does it mean when something is "under maintenance"?

When something is "under maintenance", it means it's temporarily unavailable because it's being repaired, updated, or serviced. This term is commonly used for websites, equipment, or infrastructure.

How long does something typically stay "under maintenance"?

The duration varies widely depending on the complexity of the task. It could be a few minutes for a minor update or several days for major repairs. Always check for estimated completion times.

What can I say instead of "under maintenance"?

You can use alternatives like "under repair", "out of service", or "temporarily unavailable" depending on the context.

Is it appropriate to use "under maintenance" in formal communication?

Yes, "under maintenance" is suitable for both formal and informal communication. However, in formal settings, providing more details about the reason and expected downtime is recommended.