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
deteriorate significantly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "deteriorate significantly" is correct and usable in written English.
You can use it when describing a situation, condition, or quality that has worsened to a notable extent. Example: "The patient's health began to deteriorate significantly after the treatment was halted."
✓ Grammatically correct
News & Media
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
39 human-written examples
The CST has warned that the situation "could deteriorate significantly".
News & Media
For example, while she found that discipline and even physical health deteriorate significantly after a divorce, two years later most children and parents have bounced back.
News & Media
"The Fed's rhetoric has consistently pointed out that the data needs to deteriorate significantly further before it would consider an expansion of QE," BarCap said.
News & Media
"Should economic conditions deteriorate significantly further, those countries with sufficient fiscal space stand ready to coordinate and implement discretionary fiscal actions to support domestic demand," the statement said.
News & Media
The chief scientist on Sir David Attenborough's recent three-part series on the reef, Justin Marshall, who accompanied Di Natale and Waters, said he has seen the reef deteriorate significantly over 30 years.
News & Media
Since the retirement of the space shuttle, no more servicing missions have been possible and the Hubble operations team expect their instrument to deteriorate significantly in the coming years.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
His memory, for example, has not deteriorated significantly.
News & Media
However, local services have deteriorated significantly over the past five years.
News & Media
Her health has deteriorated significantly since redundancy in 2010.
News & Media
On the way down, though, consumption has not deteriorated significantly -- at least not yet.
News & Media
Can you imagine living like this for another 10 years?" Electricity and water has deteriorated significantly.
News & Media
Expert writing Tips
Best practice
To add impact, quantify the deterioration if possible. Instead of just saying "performance deteriorated significantly", try to include numbers or percentages to illustrate the severity of the decline.
Common error
While grammatically correct, "deteriorate significantly" can sound overly formal or clinical in casual conversations. Opt for more natural alternatives like "got much worse" or "declined sharply" in informal settings to maintain a conversational tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deteriorate significantly" functions as an adverbial phrase, modifying a verb to express the degree to which something is declining or worsening. Ludwig AI confirms this usage, showcasing examples where "deteriorate significantly" modifies verbs across varied contexts.
Frequent in
Science
38%
News & Media
36%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "deteriorate significantly" is a grammatically correct and frequently used phrase to describe a considerable decline or worsening of a condition. According to Ludwig AI, it is versatile and applicable across various contexts, notably in science and news reporting. Although it is generally suitable for formal and neutral settings, more casual alternatives might be preferable in informal conversations. When using "deteriorate significantly", it is best practice to specify what is declining and, if possible, quantify the degree of deterioration. Related phrases such as "decline markedly" or "worsen considerably" can be used as alternatives to add variety to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
decline markedly
This alternative replaces "deteriorate" with "decline" and "significantly" with "markedly", suggesting a noticeable downturn.
worsen considerably
This phrase substitutes "deteriorate" with "worsen" and "significantly" with "considerably", emphasizing a substantial degradation.
degrade substantially
This option swaps "deteriorate" with "degrade" and "significantly" with "substantially", indicating a considerable reduction in quality or condition.
diminish greatly
This alternative uses "diminish" instead of "deteriorate" and "greatly" instead of "significantly", suggesting a large reduction in something.
decline sharply
This phrase replaces "deteriorate" with "decline" and "significantly" with "sharply", highlighting a sudden and steep decrease.
fall off considerably
Here, "fall off" replaces "deteriorate", implying a decline in quantity or quality and "considerably" is used instead of "significantly".
plummet substantially
This alternative substitutes "deteriorate" with "plummet" and "significantly" with "substantially", suggesting a rapid and considerable drop.
slump dramatically
This phrase uses "slump" instead of "deteriorate" and "dramatically" instead of "significantly", emphasizing a sudden and considerable decline, especially in economic contexts.
regress severely
This alternative changes "deteriorate" to "regress" and "significantly" to "severely", indicating a serious return to a former state.
weaken considerably
This option substitutes "deteriorate" with "weaken" and "significantly" with "considerably", suggesting a reduction in strength or effectiveness.
FAQs
How can I use "deteriorate significantly" in a sentence?
Use "deteriorate significantly" to describe a considerable decline in condition or quality. For example, "The patient's health "began to deteriorate significantly" after the new medication was introduced."
What are some alternatives to "deteriorate significantly"?
You can use alternatives like "decline markedly", "worsen considerably", or "degrade substantially depending on the specific context.
Is it better to say "deteriorate significantly" or "deteriorate a lot"?
"Deteriorate significantly" is generally more formal and precise than "deteriorate a lot". The former suggests a considerable and measurable decline, whereas the latter is more casual. Choose based on your audience and the context.
In what situations is it appropriate to use the phrase "deteriorate significantly"?
The phrase "deteriorate significantly" is suitable in formal writing, reports, and professional communications where you need to describe a notable decline. It is commonly used when reporting on health, economic, or environmental conditions.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested