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
deteriorated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "deteriorated" is correct and usable in written English.
It is typically used when referring to something that has changed for the worse over time, e.g., "The condition of the building had deteriorated significantly over the past decade."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
Nevertheless, my health has deteriorated to the point that only 20% of my lungs now work and my lung capacity has shrunk to less than the size of two Coke cans.
News & Media
Their final game, at home to Manchester United, was Jimmy Armfield's last too, his 569th for the club; he was given a guard of honour by both teams, after which things deteriorated.
News & Media
Their relationship deteriorated when he was a teenager, but they eventually reconciled.
News & Media
His physical problems deteriorated further after he was out campaigning for a Cornish parliament in south-west England when the bus he was sitting on swerved and he hit his head on a metal rail.
News & Media
It is true that some panels will still be operating after 2030, although we have heard many stories of poorly-performing systems and I have had the personal experience of discarding some panels that were about 10 years old because they had badly deteriorated.
News & Media
"Pauline's condition has deteriorated to a critical state, although she stabilised yesterday and continues to receive the best possible care," he said.
News & Media
But in 2012, German-Russian relations deteriorated after Berlin's criticism of Russia's presidential election and crackdown on the opposition, and ties have soured even further over the Ukraine crisis.
News & Media
His physical problems deteriorated further after he was out campaigning in south-west England for a Cornish parliament when he was sitting on a bus which swerved and caused his head to hit a metal rail.
News & Media
AWH's financial position deteriorated as Sydney Water questioned the value of the expenses being charged to it and for a time AWH could not pay the superannuation of its employees or its tax bill.
News & Media
The hospital issued a statement on Saturday afternoon saying that her condition had deteriorated over the previous two days and that the volunteer nurse was now in a critical condition.
News & Media
At Leicester, student satisfaction deteriorated, while at Aston value-added scores worsened, particularly in the area of English and creative writing.
News & Media
Expert writing Tips
Best practice
When using "deteriorated", ensure that the subject and context clearly indicate what has declined or worsened. Provide specific details to enhance clarity and impact.
Common error
Avoid using "deteriorated" with overly abstract subjects that lack tangible qualities. For instance, instead of saying "Happiness deteriorated", consider specifying what factors contributed to the decline in happiness for better clarity.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The word "deteriorated" functions primarily as a verb in the past tense or as a past participle. Ludwig AI confirms its grammatical correctness. It is used to indicate that something has declined in quality, condition, or value, as showcased in many examples provided by Ludwig.
Frequent in
News & Media
41%
Formal & Business
30%
Science
29%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "deteriorated" is a grammatically correct and versatile verb used to describe a decline in quality, condition, or value. According to Ludwig AI, the phrase is usable in written English and finds frequent application across diverse contexts, notably in news, formal business communication, and scientific reporting. While alternatives like "worsened" or "declined" may be appropriate depending on the specific context, "deteriorated" serves as a generally applicable term for describing a negative change. When writing, ensure the subject is concrete and the context clear to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
declined
Focuses on a downward trend or decrease in quality or condition.
worsened
Emphasizes the aggravation or intensification of a negative situation.
degenerated
Implies a decline to a lower or corrupt state.
regressed
Suggests a return to a previous, less developed state.
slipped
Indicates a gradual decline or loss of position.
fallen
Emphasizes a drop in status or quality.
diminished
Highlights a reduction in size, extent, or importance.
decayed
Focuses on gradual decomposition or decline, often in physical terms.
crumbled
Suggests a collapse or breakdown, often in a figurative sense.
atrophied
Implies a wasting away or decline due to disuse or neglect.
FAQs
How can I use "deteriorated" in a sentence?
Use "deteriorated" to describe a decline in condition or quality. For example, "The building's condition "deteriorated" rapidly after the flood".
What can I say instead of "deteriorated"?
You can use alternatives like "worsened", "declined", or "degenerated" depending on the context.
Which is correct, "deteriorated" or "deteriorating"?
"Deteriorated" is the past tense and past participle of "deteriorate", used to describe something that has already declined. "Deteriorating" is the present participle, used for ongoing decline. Choose based on the timing of the decline.
What's the difference between "deteriorated" and "decayed"?
"Decayed" often implies a natural process of decomposition, while ""deteriorated"" is a more general term for decline in quality or condition, not necessarily due to natural causes.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested