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
confirmed roughly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "confirmed roughly" is correct and usable in written English.
It can be used when indicating that something has been verified or validated, but with a degree of approximation or uncertainty. Example: "The results of the experiment were confirmed roughly, suggesting that further testing is needed for accuracy."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
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
4 human-written examples
Human Rights Watch has confirmed roughly 300 deaths in the weeklong uprising, while noting that its estimate is conservative because of the difficulty in gathering information from morgues and hospitals when phone service is intermittent and the Internet is nearly blacked out.
News & Media
Armstrong and Dretske make substantive claims on what can and can't be instance confirmed: roughly, Humean laws can't, laws-as-universals can.
Science
The start-up has confirmed roughly 30% monthly growth since its launch in beta, roughly multiplying their user base by 4 or 5.
News & Media
To defend against being boarded, Mary Rose carried large stocks of melee weapons, including pikes and bills; 150 of each kind were stocked on the ship according to the Anthony Roll, a figure confirmed roughly by the excavations.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Previous reports have confirm roughly the same thing: that Android developers are turning to Amazon's Appstore in greater numbers, and are seeing the benefits.
News & Media
An official from the Town of Brookhaven confirmed that roughly 15 homes on its tax rolls had been destroyed and 150 severely damaged.
News & Media
Subsequent cosmological measurements have confirmed that roughly 70 percent of the universe by mass or energy consists of this antigravitational dark energy that is pushing the galaxies apart, though astronomers and physicists have no conclusive evidence of what it is.
News & Media
First the experimenters confirmed that roughly half the students preferred each good.
News & Media
Later reports confirmed that roughly 70% of the city had been destroyed by Giri.
Wiki
While the advocated protein panel is not necessarily specific to MCF-7, and while differential expression profiling was not the purpose of the present study, preliminary comparisons to non-tumorigenic G1-arrested MCF-10 cells confirmed that roughly two thirds of the MCF-7 markers changed spectral counts more than 2-fold, and some even more than 10-fold, when comparted to MCF-10.
Science
Bush officials refused to divulge their rate of spending this month or confirm the roughly $10 million cash-on-hand estimate.
News & Media
Expert writing Tips
Best practice
Pair "confirmed roughly" with a qualifier to explain the level of certainty. For example: "confirmed roughly, based on preliminary data".
Common error
Avoid using "confirmed roughly" to create a false sense of confidence. If the information is highly uncertain, use more cautious language such as "estimated" or "suggested".
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "confirmed roughly" functions as an adverbial modifier, clarifying the manner in which something was confirmed. It adds a degree of imprecision or approximation to the act of confirmation.
Frequent in
News & Media
50%
Science
41%
Wiki
9%
Less common in
Formal & Business
0%
Academia
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "confirmed roughly" is a grammatically sound way to express approximate verification, as suggested by Ludwig. It serves as an adverbial modifier, adding a layer of imprecision to the act of confirmation. Predominantly found in News & Media and Science contexts, its usage implies a neutral register. Although not exceedingly common, the phrase offers a practical way to communicate validation with an acknowledged margin of error. When using "confirmed roughly", clarity regarding the approximation's extent is key, ensuring it aligns with the intended message and audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
approximately verified
Replaces "confirmed" with "verified" and "roughly" with "approximately", emphasizing the validation aspect with a slight degree of precision.
verified nearly
Indicates a confirmation that is very close to being exact but not quite.
estimated closely
Focuses on the estimation aspect, implying the confirmation is based on a close approximation.
roughly substantiated
Highlights the 'substance' or evidence element and that it has been backed up to a rough degree.
validated loosely
Emphasizes the validation with a weaker degree of certainty.
in the ballpark confirmed
Expresses the confirmation is an order-of-magnitude confirmation
substantially corroborated
Uses a more formal tone, highlighting the significant amount of evidence supporting the confirmation.
about confirmed
Simplifies the phrase, indicating an approximate confirmation.
partially affirmed
Suggests that the confirmation is only applicable to some parts or aspects of something.
generally acknowledged
Indicates a wider acceptance or agreement, even if not perfectly precise.
FAQs
How can I use "confirmed roughly" in a sentence?
You can use "confirmed roughly" to indicate that something has been verified to an approximate degree. For example, "The scientist "confirmed roughly" the hypothesis based on initial observations".
What does "confirmed roughly" mean?
"Confirmed roughly" indicates that something has been verified or validated but with a level of approximation or uncertainty. It suggests the information is not precise but is generally accurate.
Are there alternatives to "confirmed roughly"?
Yes, you can use alternatives like "approximately verified", "estimated closely", or "validated loosely" depending on the context.
Is it appropriate to use "confirmed roughly" in formal writing?
While "confirmed roughly" is grammatically correct, it may be more suitable for less formal contexts. In formal writing, consider using more precise language or qualifying the statement with specific details about the level of uncertainty.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested