Used and loved by millions
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
remains functional
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "remains functional" is correct and usable in written English.
It can be used to describe something that continues to work or operate effectively over time. Example: "Despite the challenges faced, the software remains functional and continues to serve its purpose."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(5)
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
Increases in the secretion and serum concentrations of these hormones provide evidence that the pituitary gland remains functional in normal postmenopausal women, even though ovarian function declines markedly.
Encyclopedias
The buccal pump remains functional in living amphibians.
Encyclopedias
That, he reports, remains functional, because each household still pays 1,000 shillings (about 20p) a month.
News & Media
It remains functional even when it is twisted, folded, or stretched to 40percentt beyond its normal length.
News & Media
Blank acknowledged that the Georgia Dome, which would be demolished, remains functional.
News & Media
Neither Michael's past nor his personality disorder is going to vanish, and his marriage to Andrea remains functional rather than intimate.
News & Media
Control mice were littermate Myrffl/fl mice which lacked PDGFRα-CreERT2, so when tamoxifen is administered exon 8 is not removed and the gene remains functional (Fig. 1a).
Science & Research
Ensuring that the software remains functional and usable over a long time is a challenge that the UNESCO PERSIST Programme is set up to tackle.
Academia
For the most part, she remains functional, taking care of her 8- and 10-year-old daughters, going to work, lunching with a friend, dealing with her difficult mother.
News & Media
An object that remains functional never quite gains the aura that is normally associated with the highest creations of the imagination.
News & Media
We demonstrate that a model membrane protein, the potassium channel from the bacterium Mesorhizobium loti, remains functional after insertion into the planar solid-supported polymer membrane.
Science
Expert writing Tips
Best practice
When using "remains functional", ensure the context clearly indicates what specific function is being maintained. This adds clarity and prevents ambiguity.
Common error
Avoid using "remains functional" if the subject has significantly diminished capacity. It's more accurate to describe the limitations or partial functionality instead of implying full operational status.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remains functional" primarily functions as a descriptive element within a sentence. It indicates that a particular entity, system, or component continues to operate or perform its intended function despite potential challenges or changes. As Ludwig AI confirms, this usage is correct and acceptable.
Frequent in
Science
43%
News & Media
34%
Academia
11%
Less common in
Encyclopedias
6%
Wiki
3%
Formal & Business
3%
Ludwig's WRAP-UP
In summary, the phrase "remains functional" is a grammatically sound and frequently used expression for indicating sustained operational status. As Ludwig AI confirms, its usage is appropriate across various contexts, particularly in science, news media, and academic settings. The phrase conveys that something continues to operate or serve its purpose, even amidst potential challenges. While the phrase is acceptable and correct to use, ensure the context is clear and that you aren't overstating the level of functionality. Alternatives such as "continues to operate" or "stays operational" can also be used to achieve a similar meaning, while offering slight nuances in tone.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
continues to operate
Focuses on the ongoing operation of something.
stays operational
Emphasizes the state of being ready for operation.
remains in working order
Highlights that something is still in a condition suitable for work.
continues to be effective
Focuses on the sustained effectiveness of something.
is still in effect
Indicates that a rule or agreement is still valid.
is still active
Implies ongoing activity or operation.
continues to serve its purpose
Highlights that something is still fulfilling its intended function.
has not ceased functioning
Emphasizes that something has not stopped working.
is still viable
Indicates the capability of surviving or succeeding.
is unimpaired
Highlights that something is undamaged or not weakened.
FAQs
How can I use "remains functional" in a sentence?
You can use "remains functional" to describe something that continues to operate effectively. For example, "Even after the update, the core system "remains functional"."
What are some alternatives to "remains functional"?
Alternatives include "continues to operate", "stays operational", or "remains in working order", depending on the specific context.
Is it correct to say "still remains functional"?
While not grammatically incorrect, "still remains functional" can be redundant. It's generally better to use either "still functional" or just ""remains functional"" for conciseness.
What does it mean when something "remains functional"?
It means that despite potential changes, damage, or challenges, the object or system continues to perform its intended function at some level of capability. This could be full or partial functionality depending on the context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.5/5
Expert rating
Real-world application tested