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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
supposedly due to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "supposedly due to" is correct and usable in written English.
It can be used when attributing a cause or reason to something that is believed to be true but may not be confirmed. Example: "The event was canceled, supposedly due to unforeseen circumstances."
✓ 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
60 human-written examples
However the departure of Palummella, supposedly due to the death of his brother, caused CUCB to disband.
News & Media
G. G. was supposedly due to arrive to do a story about Dick, but the real reason was to collect his money for keeping the secret.
News & Media
Making matters worse, Venice has sunk by 23cm over the last century, supposedly due to groundwater extraction under the Venice lagoon.
News & Media
But the practicalities of the ground troops supposedly due to capture Isis-held land in northern Syria is playing on Labour MPs' minds.
News & Media
On Oct. 20, 1962, President Kennedy abandoned a trip to the Midwest and returned to Washington — supposedly due to a bad head cold.
News & Media
Carol Ann Duffy, considered a front runner, might be too controversial; she's already been passed over once for the position, supposedly due to her "unconventional" — read: lesbian — life style.
News & Media
The first of seven lines on a new light-rail network is supposedly due to be ready by the end of 2016, but the project has already suffered huge delays.
News & Media
Edgar Wright and Joe Cornish's Ant-Man is also supposedly due to arrive in 2015, though I'll believe that one when I see it, the project having first been announced in 2010.
News & Media
After two decades of talk about the "special status of women in Poland", supposedly due to the importance of the Virgin Mary in national culture, commitment to gender equality is becoming a new selling point for Poland as an EU member.
News & Media
"Made in USA": This 1966 film was long impossible to see here, supposedly due to legal obstacles to its distribution (the producer hadn't acquired rights to the novel by Donald Westlake that Godard adapted), but, around 1980, the Mudd Club (the White Street night spot and music venue) got hold of a 16-mm.
News & Media
Defying that reality, the constitutional council, led by an ally of President Gbagbo, claimed that Gbago deserved to hold his seat after it threw out more than half a million votes cast for Ouattara, supposedly due to ballot tampering in the rebel-controlled North.
News & Media
Expert writing Tips
Best practice
When using "supposedly due to", be prepared to provide further clarification or evidence, as it implies a degree of uncertainty or skepticism about the stated cause.
Common error
Avoid relying solely on "supposedly due to" without seeking or providing supporting information. Overusing this phrase can weaken your argument and create the impression of unfounded speculation.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "supposedly due to" functions as a causal connector, linking an event or situation with a reason that is believed to be the cause, but which may be uncertain or based on speculation. As Ludwig AI states, it introduces a degree of uncertainty.
Frequent in
Science
46%
News & Media
46%
Wiki
3%
Less common in
Formal & Business
3%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "supposedly due to" is a grammatically correct causal connector used to link an event with a potential cause, while expressing a degree of uncertainty or skepticism. As Ludwig AI confirms, its use suggests the speaker is not fully convinced or lacks concrete evidence. It's most common in science and news media contexts, where information is often presented with a critical perspective. While usable in various settings, it's essential to provide further clarification or evidence when employing this phrase to avoid weakening your argument. Alternatives like "allegedly because of" or "reportedly due to" can offer similar nuances.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
supposed to arise from
Changes "due to" with "arise from", adding the element of consequence, while maintaining the uncertainty with "supposed to".
allegedly caused by
Replaces "due to" with "caused by" and adds "allegedly" to emphasize the unproven nature of the cause.
reportedly stemming from
Replaces "due to" with "stemming from" and adds "reportedly" to indicate that the information is based on reports, not necessarily facts.
seemingly a product of
Uses "a product of" instead of "due to" while still adding that the situation only "seemingly" exists.
ostensibly resulting from
Replaces "due to" with "resulting from" and uses "ostensibly" to suggest a superficial or apparent cause, potentially hiding the true reason.
ostensibly a consequence of
Highlights that the situation is "a consequence" of something, and that this relationship is only "ostensibly" true.
purportedly brought about by
Substitutes "due to" with "brought about by" and employs "purportedly" to convey the questionable nature of the stated reason.
professedly resulting from
It indicates that the result is stated to be from something, but adding that this relationship is "professedly" true.
putatively attributed to
Uses "attributed to" instead of "due to" and "putatively" to highlight that the cause is assumed but not definitively proven.
what is said to come from
It is less direct and may create the implication that there is an unverified or poorly-evidenced relationship between the two elements.
FAQs
How do I use "supposedly due to" in a sentence?
Use "supposedly due to" to indicate a cause that is believed to be true, but may not be definitively confirmed. For example: "The game was postponed, supposedly due to rain."
What are some alternatives to "supposedly due to"?
Alternatives include "allegedly because of", "reportedly due to", or "ostensibly resulting from".
When is it appropriate to use "supposedly due to"?
It's appropriate when you want to express that a reason or cause is based on hearsay, assumption, or unverified information, and you want to maintain a degree of skepticism.
What is the difference between "supposedly due to" and "actually due to"?
"Supposedly due to" suggests uncertainty or doubt about the cause, while "actually due to" indicates that the real cause is being revealed, often correcting a previous misunderstanding.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested