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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
not yet operational
Grammar usage guide and real-world examplesUSAGE SUMMARY
"not yet operational" is correct and usable in written English.
You can use it to describe something that is not currently functional, but might become functional at a future point in time. For example, "The new software is not yet operational, so it cannot be used to process customer orders yet."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
not currently functioning
not in service yet
still under development
out of service
not up and running
awaiting implementation
not ready for use
under construction
coming soon
not yet applicable
not yet viable
not yet efficient
not yet usable
not yet effective
not yet implemented
not yet implementing
not implemented yet
in the pipeline
still in development
not available at this time
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
And Gazprom, the Russian state-owned natural gas giant, has flexed its muscle to such a degree — notably in a dispute over supplies to Ukraine — that Europeans are worried that the Russian sovereign fund, not yet operational, will operate in the same way.
News & Media
As part of the deal, Iran agreed not to install any additional centrifuges, and not to begin operating any of the thousands that are not yet operational.
News & Media
Having a dubious basis, the agreement has not so far been properly implemented, since the data transmission system that should have been in operation since 2004, the 'push' system, is not yet operational, and that is despite the announcements made, most notably last September.
Science
"We believe that it's not yet operational.
News & Media
But there's at least one hitch — these SPVs are not yet operational.
News & Media
Fortunately for Kennedy, he knew that the Soviet missiles were not yet operational.
News & Media
Satellite-based monitoring strategies for permafrost remain under development and are not yet operational.
The two German-made machine guns on the newest boat patrolling here in San Francisco Bay are not yet operational.
News & Media
For example, much of the fiber optic space traded was known as "dark" -- or not yet operational.
News & Media
But the system is not yet operational, having missed the intended implementation date by six months (and counting).
News & Media
An early-warning system, proposed after the 2004 catastrophe, is not yet operational, but might not have helped much.
News & Media
Expert writing Tips
Best practice
When using "not yet operational", ensure the context clearly indicates whether future operation is expected or possible. This avoids ambiguity and sets appropriate expectations.
Common error
Avoid using "not yet operational" if there's significant doubt about whether the subject will ever become operational. In such cases, phrases like "currently non-functional" or "likely to remain inactive" might be more accurate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not yet operational" functions as an adverbial modifier, specifically modifying a verb or adjective to indicate that something is in a state of being before it becomes fully functional or active. As Ludwig AI confirms, this phrase is correct and usable in written English.
Frequent in
News & Media
49%
Science
39%
Formal & Business
8%
Less common in
Encyclopedias
1%
Wiki
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "not yet operational" is a common and grammatically correct way to describe something that is not currently functional but is expected to be so in the future. Ludwig AI confirms its validity and usability in written English. It's prevalent in various contexts, particularly in news and media, science, and formal business settings. When using this phrase, ensure clarity regarding the expectation of future operation to avoid ambiguity. While alternatives like "not currently functioning" or "still under development" exist, "not yet operational" provides a direct and widely understood way to convey the status of something being in a pre-operational phase.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not currently functioning
Emphasizes the present state of non-functionality.
not in service yet
Highlights that the subject is not available for use at this time.
not up and running
An idiomatic expression meaning not yet started or working.
not active at this time
Stresses the lack of current activity or operation.
still under development
Focuses on the ongoing process of development before operation.
not ready for use
Indicates that the subject is not prepared or suitable for utilization.
awaiting implementation
Highlights that the subject is waiting to be put into effect or use.
in the process of being activated
Describes the ongoing action to make the subject operational.
under construction
Implies that the subject is still being built or assembled.
coming soon
A promotional phrase suggesting future availability.
FAQs
How can I use "not yet operational" in a sentence?
You can use "not yet operational" to describe a system, feature, or facility that is still under development or construction. For example, "The new early-warning system is "not yet operational", but is expected to be online soon."
What is a synonym for "not yet operational"?
Synonyms include "not currently functioning", "not in service yet", or "still under development" depending on the context.
What's the difference between "not yet operational" and "out of service"?
"Not yet operational" implies something is in progress but not ready, while "out of service" suggests something was functioning but is currently unavailable. Consider the difference between "The website is "not yet operational"" and "The elevator is "out of service"".
Is it correct to say "not yet operational", or should I use a different phrase?
Yes, "not yet operational" is correct and widely used. However, depending on the nuance you want to convey, alternatives like "not up and running" or "awaiting implementation" might be more suitable.
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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
4.5/5
Expert rating
Real-world application tested