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
deemed erroneous
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "deemed erroneous" is correct and usable in written English.
It can be used in contexts where something is judged or considered to be incorrect or mistaken. Example: "The report was deemed erroneous after a thorough review of the data."
✓ Grammatically correct
Science
News & Media
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
2 human-written examples
Again, no corroborating records were found to confirm these wind speeds [14] and as such, they were deemed erroneous.
Six patients were excluded due to changes in their TB diagnosis (four had started on empiric treatment based on clinical presentation but the TB diagnosis was subsequently deemed erroneous, one was later found to have cryptococcal meningitis, and one was later diagnosed with histoplasmosis).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Data deemed as erroneous by the system are subject to be corrected by the participating units.
Science
99.9 % of database condition records and 89.7%% of database drug records were mapped (majority unmapped drugs were devices and over-the-counter products); 3.1 % of duration imputations were deemed possibly erroneous and prevalences for selected conditions and drugs across CPRD raw and CDM data were equivalent.
Science
Participants in the meeting on Monday also agreed to try to come up with uniform parameters for deciding when trades are deemed to be "clearly erroneous" and subject to cancellation.
News & Media
The concept of a woman being worthless if she is impure should be deemed as outdated and erroneous, yet is still prevalent in society.
News & Media
These 42 records were adjusted manually by editing the fields that were deemed inconsistent, odd, or erroneous.
If a national registration number could not be traced in this register, or in the reports of death and emigration, it was deemed to be of erroneous or incomplete numbers and thus excluded (7425 records).
Science
The ECJ ruling judged Google and other search engines to be data controllers and therefore requires them to accept and process individual search de-listing requests where the information in question is deemed outdated, irrelevant or otherwise erroneous, weighing requests against any public interest considerations in the information remaining associated with a search for an individual's name.
News & Media
In a few studies, some of these limitations have been circumvented by asking participants to evaluate each button press by indicating whether the preceding response to the primary task was deemed correct or incorrect instead of merely signaling erroneous responses (Endrass et al. 2007; Klein et al. 2007; Wessel et al. 2010).
Science
From June 1996 until March 1998, 16 institutions registered 79 patients; 13 of them were eventually deemed ineligible (registration >14 days after treatment start: 11; erroneous prognosis-group classification: two).
Science
Expert writing Tips
Best practice
Use "deemed erroneous" when you want to convey that something has been formally or officially considered to be incorrect, inaccurate, or mistaken after a careful evaluation or review. It's often used in academic, legal, or professional contexts.
Common error
Avoid using "deemed erroneous" in casual conversations or informal writing, where simpler phrases like "considered wrong" or "thought to be incorrect" would be more appropriate.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deemed erroneous" functions as a judgmental descriptor, indicating that something has been officially or formally considered to be incorrect or mistaken. As Ludwig AI shows, this phrase often appears in contexts where data or reports are being evaluated for accuracy.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "deemed erroneous" is a grammatically sound expression used to indicate that something has been officially considered incorrect after careful evaluation. According to Ludwig AI, this phrase is relatively rare but correct, most commonly found in scientific and news contexts. It carries a formal tone, making it suitable for professional and academic writing, but less appropriate for casual conversation. Alternatives include "considered incorrect" or "judged to be wrong", which offer similar meanings with varying degrees of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
considered incorrect
Replaces "deemed" with a more straightforward synonym, making the phrase slightly less formal.
judged to be wrong
Substitutes "deemed" with "judged", adding emphasis on the evaluation process.
regarded as mistaken
Emphasizes the perception of the information as a mistake.
found to be inaccurate
Focuses on the discovery of inaccuracy through investigation.
classified as invalid
Highlights the formal categorization of something as not valid.
determined to be flawed
Emphasizes that a decision was made recognizing a fundamental imperfection.
considered not valid
States the lack of validity directly, using a slightly simpler structure.
concluded to be false
Highlights that the falsity was determined after some consideration or investigation.
assessed as incorrect
Focuses on the evaluation process leading to the conclusion of incorrectness.
labeled as wrong
Implies a straightforward and possibly public designation of something as incorrect.
FAQs
How can I use "deemed erroneous" in a sentence?
You can use "deemed erroneous" to indicate that something has been officially considered incorrect after evaluation. For example, "The initial report was "deemed erroneous" after further investigation revealed inconsistencies."
What's a more informal way to say "deemed erroneous"?
In less formal contexts, you could say "considered incorrect", "thought to be wrong", or "regarded as mistaken" instead of ""deemed erroneous"".
Is it better to say "deemed erroneous" or "found to be erroneous"?
Both phrases are grammatically correct, but ""deemed erroneous"" implies a formal judgment or assessment, while "found to be erroneous" simply indicates that something was discovered to be incorrect.
What's the difference between "erroneous" and "incorrect"?
"Erroneous" suggests a more significant or consequential error than "incorrect". While "incorrect" simply means not correct, "erroneous" often implies that the mistake could lead to further problems or misunderstandings.
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
4.5/5
Expert rating
Real-world application tested