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
Expert believed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Expert believed" is not correct as it lacks a subject or context to clarify what is being communicated.
It could be used in a context where you are summarizing the opinion of an expert, but it needs to be part of a complete sentence for clarity. Example: "The expert believed that the new policy would improve efficiency in the workplace."
⚠ May contain grammatical issues
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
7 human-written examples
The average temperature on Friday was a chilly 39 degrees, but one local expert believed the quarantine did not do the animal any harm.
News & Media
A forensic anatomy expert believed a cleaver was most likely to have been used to carry out the dismemberment of Miss McCluskie's body over a period of two to three hours, Mr Aylett said.
News & Media
The suspect is thought to have been one of the key targets of the US strikes, along with Abu Taha al-Sudani, a Sudanese explosives expert believed to head al-Qaida operations in east Africa, and Saleh Ali Saleh Nabhan, a Kenyan.
News & Media
In May, 2013, a person videotaped a UFO seeming to enter Mexico's Popocatepetl volcano, though at least one expert believed it was a commercial aircraft.
News & Media
A construction expert believed the plan for an Olympic Village at the National University of Singapore (NUS) was feasible, and that the equestrian venue could be delivered on time.
Wiki
[ 16] If an expert believed that the excess number of breast cancer cases was because of uncontrolled confounding, then a sceptical (0.67, 1.5) prior could be used, giving a 95% credible interval of 0.96 to 1.91.
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Mark Borkowski, a public relations expert, believes One Direction still have a profitable future.
News & Media
After the 1987 crash many experts believed a severe recession or even a depression was imminent.
News & Media
Many experts believed those limits were too meager, however.
News & Media
Until relatively recently, experts believed the answer was no.
News & Media
Legal experts believed the report would fuel potential civil lawsuits.
News & Media
Expert writing Tips
Best practice
Always specify who the expert is and provide context for their belief to ensure clarity and credibility. For example, "A leading economist believed that the recession would be short-lived."
Common error
Avoid using "Expert believed" as a standalone phrase. It requires a subject and a complete sentence structure to be grammatically correct and convey a clear meaning.
Source & Trust
85%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Expert believed" functions as an incomplete predicate. It implies a statement about an expert's conviction but lacks a subject to identify the specific expert, making it grammatically incomplete. Ludwig AI flags the phrase as not correct, pointing out the need for a subject.
Frequent in
News & Media
40%
Science
30%
Wiki
20%
Less common in
Formal & Business
10%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "Expert believed" is grammatically incorrect as a standalone expression because it lacks a subject, hindering its clarity and effectiveness. Ludwig AI highlights this issue, noting that the phrase needs to be part of a complete sentence to convey its intended meaning. While examples exist in various contexts like News & Media and Science, it's essential to provide context by specifying the expert and their area of expertise. For grammatically correct alternatives, consider "An expert "opined"" or "According to an "expert"", ensuring clear communication and avoiding ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Experts believed
Plural form, referring to multiple experts sharing the same belief.
An expert opined
Uses "opined" instead of "believed", suggesting a formal expression of an opinion.
An expert asserted
Replaces "believed" with "asserted", indicating a strong declaration of a fact or opinion.
It was believed by an expert
Changes the sentence structure to a passive voice, emphasizing the belief rather than the expert.
An expert was of the opinion that
A more verbose and formal way of expressing an expert's belief.
According to an expert
Introduces the belief as information coming from an expert source.
An expert surmised
Uses "surmised" to indicate a belief based on limited evidence or conjecture.
An expert concluded
Replaces "believed" with "concluded", implying a belief reached after some reasoning or analysis.
An expert thought
Uses "thought" instead of "believed", a more casual expression of an expert's opinion.
An expert's belief was
Focuses on the belief itself as a subject.
FAQs
How to use "Expert believed" in a sentence?
To use "Expert believed" correctly, you need to specify who the expert is and what they believed. For example, "The leading scientist believed that the experiment would succeed."
What can I say instead of "Expert believed"?
Which is correct, "Expert believed" or "Experts believed"?
"Experts believed" is more correct if you're referring to a consensus among multiple experts. "Expert believed" is grammatically incorrect without a subject or further context.
What's the difference between "Expert believed" and "The expert believed"?
"Expert believed" is incomplete and grammatically incorrect. "The expert believed" is grammatically correct and indicates a specific expert held a certain belief.
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
85%
Authority and reliability
3.5/5
Expert rating
Real-world application tested