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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is believed to
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is believed to" is a perfectly correct and usable phrase in written English.
You can use it when you want to give a description that is either true or assumed to be true based on common knowledge or accepted wisdom. Example: It is believed to be the most efficient way of doing this task.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
is believed to be
is thought to
is considered to
is regarded as
is presumed to
is understood to
is speculated to
is perceived to
is appreciated to
is conceived to
is inferred to
is acknowledged to
is expected to
is suggested to
is supposed to
is interpreted to
is given to
is envisioned to
is contemplated to
is realized to
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
Now there is believed to be plenty.
News & Media
He is believed to have died immediately.
News & Media
The motive is believed to be robbery.
News & Media
This is believed to be suspended electrostatically.
Encyclopedias
He is believed to be in Afghanistan.
News & Media
Mr. Awlaki is believed to have survived.
News & Media
Curtis is believed to have sent letters….
News & Media
He is believed to have killed himself.
News & Media
Paan is believed to aid digestion.
News & Media
He is believed to be well.
News & Media
Clement is believed to have survived.
News & Media
Expert writing Tips
Best practice
Use "is believed to" when presenting information widely accepted but not definitively proven. This is especially useful in scientific or journalistic contexts.
Common error
Avoid overusing the passive construction "is believed to", which can make your writing sound weak or evasive. Consider rephrasing to attribute the belief to a specific source for stronger impact. For example, instead of "It is believed to be effective", write "Experts believe it is effective."
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is believed to" functions as a hedge, softening a statement and indicating that the information presented is based on common knowledge, assumptions, or estimations rather than concrete proof. As supported by Ludwig, it provides a means to express beliefs without asserting them as absolute facts.
Frequent in
News & Media
35%
Science
35%
Encyclopedias
10%
Less common in
Wiki
5%
Formal & Business
5%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "is believed to" serves as a versatile tool for conveying information that is generally accepted but not definitively proven. Ludwig AI confirms its grammatical correctness and widespread usability across diverse contexts, especially in news, science, and encyclopedic sources. While it maintains a neutral register, overusing the passive voice can weaken writing, suggesting careful consideration of active alternatives for stronger impact. The semantic alternatives, such as "is thought to" or "is considered to", offer subtle variations in meaning. Ultimately, "is believed to" is most effective when presenting hypotheses, opinions, or estimations without absolute certainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is thought to
Emphasizes a more general and less formal level of acceptance or supposition.
is considered to
Highlights a more formal or official assessment or judgment.
is regarded as
Suggests a viewpoint based on respect or esteem.
is deemed to
Implies a more authoritative or official pronouncement.
is presumed to
Indicates an assumption made in the absence of concrete proof.
is understood to
Highlights a common understanding or implicit knowledge.
is rumored to
Conveys information based on unconfirmed or speculative reports.
is alleged to
Indicates an assertion that is yet to be proven true.
is purported to
Suggests a claim that may be questionable or unsubstantiated.
is speculated to
Highlights a hypothesis or conjecture based on limited information.
FAQs
How can I use "is believed to" in a sentence?
Use "is believed to" when presenting information that is generally accepted but lacks definitive proof. For example, "The missing artifact "is believed to be" hidden in the catacombs".
What are some alternatives to "is believed to"?
Alternatives include "is thought to", "is considered to", or "is regarded as", depending on the nuance you want to convey.
When is it appropriate to use "is believed to" instead of "is known to"?
"Is believed to" is appropriate when there's an assumption or widespread acceptance without conclusive evidence. "Is known to" is used when the information is supported by factual evidence or data.
Is "is believed to" formal or informal?
The phrase "is believed to" is generally considered neutral and can be used in both formal and informal writing. However, using stronger verbs and active voice constructions might improve clarity and impact in some contexts.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested