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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
was confounded with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was confounded with" is correct and can be used in written English.
It is used to describe someone's surprise or dismay at a situation or event, usually unexpected. For example: "He was confounded with the news that his business had failed."
✓ Grammatically correct
Science
News & Media
Alternative expressions(18)
was confused with
was mixed up with
was complicated by
was associated with
was misrepresented as
was erroneously identified as
was restricted with
was obstructed with
was impaired with
was frustrated with
was combined with
was undermined with
was constrained with
was concealed with
was burdened with
was covered with
was masked by
was disguised with
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
34 human-written examples
Moreover, we cannot presume that cases' parents over-reported asthma and under-reported skin allergy; if asthma was confounded with respiratory infections and/or cardiopathies, both would have behaved as confounding factors or interaction variables in the analysis, which was not the case.
Science
This plant was confounded with Swiss chard.
Science
Year was confounded with breed of sire and was considered fixed.
Here dress was confounded with victim behavior (dancing, drinking, studying at the library), so it is impossible to determine the pure effect of dress.
Science
However, species group was confounded with the other predictor variables in many cases, making it difficult to separate the effects of each variable.
Because student performance was confounded with their test-taking behavior, it would not be surprising if RTF based on the low performing groups were consistently lower than those based on the higher performing groups.
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
In Manhattan, the Knicks are confounded with their own issues that could hurt their chances of wooing James.
News & Media
One reads elsewhere about a librettist, Jules Saint-Georges, who is "not to be confounded with with the notorious Chevalier de Saint-Georges".
News & Media
Aristotle did the same in his Politics: "A great city is not to be confounded with a populous one".
News & Media
With such a design, stimulus repetition is confounded with expectation.
Science
Technical noise must be accounted for since it may be confounded with biological noise.
Expert writing Tips
Best practice
When using "was confounded with", ensure that the factors being mixed up or confused are clearly identified to avoid ambiguity. This is particularly important in scientific writing where precision is key.
Common error
Avoid using "was confounded with" when a simpler term like "was confused with" or "was mixed with" would suffice. "Confounded" suggests a higher degree of surprise or perplexity; using it inappropriately can make your writing sound unnecessarily verbose.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was confounded with" functions as a passive construction, indicating that a subject's clarity or distinctness has been compromised by another factor. Ludwig's examples demonstrate its prevalent use in scientific and academic contexts to describe situations where variables or concepts have become intertwined or confused.
Frequent in
Science
94%
News & Media
4%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "was confounded with" is a grammatically sound and frequently employed phrase, particularly within scientific and academic writing. According to Ludwig, it serves to express a state of confusion or intertwined relationships between elements, often complicating the understanding of individual factors. The phrase's formal tone and prevalence in scholarly sources suggest its suitability for precise and sophisticated discourse. While alternatives like "was confused with" exist, understanding the specific nuance of "confounded"—indicating a deeper level of surprise or perplexity—is crucial for effective communication. Ludwig AI confirms the phrase's correctness and provides numerous examples demonstrating its real-world application. Therefore, use "was confounded with" judiciously, ensuring clarity and appropriateness for your intended audience and context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was confused with
Direct synonym, replacing "confounded" with the more common "confused".
was mixed up with
Replaces "confounded" with a phrasal verb suggesting a less formal level of confusion or combination.
was entangled with
Suggests a complex and difficult-to-unravel relationship or connection, adding a sense of complexity.
was complicated by
Indicates that something became more complex or difficult due to an additional element.
was intertwined with
Similar to "entangled", suggesting a close and inseparable relationship.
was obscured by
Implies that something was hidden or made less clear due to another factor.
was erroneously linked to
Emphasizes that the connection was incorrect or based on a misunderstanding.
was associated with
A more neutral alternative, indicating a correlation without necessarily implying causation or confusion.
was misrepresented as
Highlights that something was falsely presented or understood to be something else.
was erroneously identified as
Specifically points out a mistake in identification, implying a factual error.
FAQs
How do I use "was confounded with" in a sentence?
Use "was confounded with" to indicate that something was confused, mixed up, or made more complex by something else. For example, "The results of the study "were confounded with" external factors".
What are some alternatives to "was confounded with"?
You can use alternatives such as "was confused with", "was mixed up with", or "was complicated by", depending on the specific nuance you want to convey.
Is it appropriate to use "was confounded with" in informal writing?
While grammatically correct, "was confounded with" leans towards formal writing. In informal contexts, simpler phrases like "was mixed up with" or "was confused with" may be more suitable.
What's the difference between "was confounded with" and "was correlated with"?
"Was confounded with" implies a mixing or confusion of factors, making it difficult to distinguish their individual effects. "Was correlated with" simply indicates a statistical relationship between two variables, without implying confusion or causation.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested