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
but supposedly
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "but supposedly" is correct and usable in written English.
It can be used when you want to indicate that something is claimed or believed to be true, but you are expressing doubt or uncertainty about it. Example: "He is the best player on the team, but supposedly he has been struggling with injuries."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
56 human-written examples
Frugal and boring... but supposedly smart.
News & Media
But supposedly greener alternatives are more costly and less effective.
News & Media
That did not sound very long to me, but supposedly it is.
News & Media
These are not retail buyers but supposedly sophisticated investors, some of whom issue bonds themselves.
News & Media
But supposedly intelligent, morally upstanding people had been indulging in it right in Langley, Va.
News & Media
They are funded, but supposedly not armed, by the US military.
News & Media
It was operated manually, but supposedly could pick up the barest whisper.
News & Media
Just as the first name of Ron Paul's son evokes Ayn Rand but supposedly wasn't intended to, that of Victor Niederhoffer's daughter evokes John Galt, the hero of "Atlas Shrugged," but supposedly wasn't intended to, either.
News & Media
Luckily the police turned them away, but supposedly they were brought back secretly by some of the people here".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Also known as the pain beam, it heats skin painfully but supposedly harmlessly with microwaves.
News & Media
Wild dogs (Lycaon pictus) live in the same places and eat the same foods as these big cats, but supposedly hunt much differently.
Science & Research
Expert writing Tips
Best practice
Combine "but supposedly" with citations or sources when possible to strengthen your writing's credibility. This helps show where the information is coming from and why you are including it despite any doubts.
Common error
Relying too heavily on "but supposedly" can weaken your writing. Overuse makes your stance seem uncertain and undermines your authority. Vary your language with stronger verbs or direct statements when appropriate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but supposedly" serves as a qualifying conjunction. It connects two contrasting ideas, where the latter part introduces information that is presented as a common belief or assumption, yet the speaker implies a degree of skepticism or uncertainty. This function is evident in Ludwig's examples, as it indicates a reported statement that may or may not be reliable.
Frequent in
News & Media
74%
Science
14%
Encyclopedias
3%
Less common in
Wiki
1%
Formal & Business
1%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "but supposedly" functions as a qualifying conjunction used to introduce information that is alleged to be true, but with the speaker signaling doubt or uncertainty. Ludwig AI data indicates that this phrase is grammatically correct and very common, especially in News & Media. When using this phrase, writers should be mindful of overuse and ensure its usage aligns with their intended tone and degree of skepticism. Always consider alternative phrasing for clarity and impact. This phrase is a good choice when you want to introduce information you are skeptical about.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
but allegedly
Replaces "supposedly" with a term that suggests the information is based on an allegation that may not be proven.
but allegedly
This phrase implies something is claimed to be true, but it has not been proven, thus suggesting uncertainty.
but purportedly
Similar to "supposedly", but implies the information is based on what is claimed or appears to be true.
but reportedly
Indicates the information comes from a report, suggesting a degree of verification but not necessarily certainty.
but ostensibly
Implies the reason or purpose is what is stated, though not necessarily the real reason.
but seemingly
Suggests something appears to be the case, but there's a hint of doubt or uncertainty.
but apparently
Similar to "seemingly", but suggests the information comes from an observation or something noticed.
but theoretically
Highlights that something is true in theory, but may not be in practice.
but nominally
Suggests that something is true in name only, differing from the reality.
but presumptively
Indicates that something is supposed to be true until proven otherwise, suggesting an assumption.
FAQs
How can I use "but supposedly" in a sentence?
You can use "but supposedly" to introduce an idea or statement that you find questionable or are not entirely convinced of. For example: "The new diet is effective, "but supposedly" it requires cutting out all carbs."
What are some alternatives to "but supposedly"?
Alternatives include phrases like "but allegedly", "but reportedly", or "but ostensibly". The best choice depends on the specific nuance you want to convey.
Is it better to use "but allegedly" or "but supposedly"?
The choice between "but allegedly" and ""but supposedly"" depends on the context. "But allegedly" is more appropriate when referring to something not yet proven in court, whereas "but supposedly" is more general and indicates a lack of certainty or belief in the claim.
What does "but supposedly" imply about the speaker's belief?
"But supposedly" suggests that the speaker is relaying information without necessarily endorsing it. They may doubt the truth or accuracy of the statement and are signaling this to the listener or reader.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested