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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
keep operational
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "keep operational" is correct and usable in written English.
It can be used when referring to maintaining the functionality or readiness of a system, equipment, or process. Example: "To ensure the success of the mission, we must keep operational all necessary equipment and resources."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
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
5 human-written examples
At a house fire, we need two firefighters to go inside, one to operate the pump and an officer in charge, to keep operational oversight.
News & Media
"We honoured certain requests to keep operational details and the identity of the participants confidential," he wrote.
News & Media
The quest to maintain and keep operational large mission critical systems has always been a challenge for software practitioners.
Barber says that technology has to be adopted to keep operational costs down as everything else rises.
News & Media
On 23 August 1990, a squadron of Tornado GR1 interdictors were dispatched to the region as well, but the Tornado GR1 was difficult to keep operational due to heat.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"UNICEF realized that the Therapeutic Feeding Centre had to be kept operational and that UNICEF would have to play a leading role in its operation," he explains.
Formal & Business
A third 1980s start-up, Genetics Institute, has been completely swallowed by American Home Products, although it has kept operational independence.
News & Media
Ms. Bartz, who has laid off hundreds of employees and ended several products that failed to catch on, has kept operational expenses in check.
News & Media
While some of Canada's jets date back about 30 years, Mr. MacKay said Wednesday that the fleet could be kept operational for at least another decade.
News & Media
Mr. Ranganath kept operational costs down by hiring fresh college graduates to fill 80 percent of the 200 or so staff positions.
News & Media
After the war these handed over to the Soviet Union, where they were kept operational until the 1990s.
Wiki
Expert writing Tips
Best practice
When writing technical documentation or instructions, use "keep operational" to clearly convey the need for ongoing maintenance and readiness. It's simple and easily understood.
Common error
While "keep operational" is perfectly acceptable, avoid using it in very casual conversations. Simpler terms like "keep running" or "keep working" may sound more natural.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "keep operational" functions as a verb phrase, where "keep" acts as a linking verb connecting to the adjective "operational." It indicates the act of maintaining something in a functional state, as demonstrated in Ludwig examples.
Frequent in
News & Media
40%
Science
30%
Wiki
20%
Less common in
Formal & Business
10%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "keep operational" is grammatically sound and conveys the need to maintain something in a functional state. As noted by Ludwig, it is a usable phrase across various contexts. While not overly common (Ludwig reports a rare occurrence), it finds application in news, science, formal business, and wiki domains. For informal contexts, consider using alternatives like "keep running". Prominent sources such as The New York Times and TechCrunch use this phrase, indicating its acceptability in professional writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
maintain in service
Emphasizes the continued provision of a service, differing from "keep operational" by focusing on service delivery.
ensure functionality
Focuses on guaranteeing that something continues to function as intended, rather than just being operational.
preserve working order
Highlights the act of maintaining something in a functional state, stressing its condition.
sustain operations
Stresses the continuous effort to maintain operations, implying ongoing support and resources.
retain active status
Indicates maintaining an active or usable state, suitable when referring to processes or systems.
keep in running condition
This alternative emphasizes the state of being in working order and ready to use.
maintain operability
Operability is a more formal term than operational; this suggests a higher level of technical readiness.
preserve functionality
Focuses specifically on maintaining the functional aspects of a system or item.
ensure uptime
Primarily used in technical contexts, specifically emphasizing continuous availability and operation of systems, especially IT.
serviceable condition
Focuses on the status of being fit for service through maintenance and repair.
FAQs
How can I rephrase "keep operational" in a more formal context?
In formal settings, consider using phrases such as "maintain functionality", "ensure operational status", or "preserve functionality". These alternatives often sound more professional and precise.
What's a simpler way to say "keep operational" in everyday language?
For everyday conversations, you can use alternatives like "keep running", "keep working", or "keep going" depending on the context. For example, instead of "We need to keep the system operational", you could say "We need to "keep the system running"".
Is "maintain operational" the same as "keep operational"?
While both phrases are similar, "maintain operational" often implies a more proactive or ongoing effort to ensure something stays in working order. "Keep operational" suggests a more immediate need to preserve the current state.
How to use "keep operational" in a sentence?
You can use "keep operational" when referring to maintaining the functionality or readiness of a system, equipment, or process. For example: "To ensure the success of the mission, we must "keep operational all necessary equipment and resources"".
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested