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
conjectured to be
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "conjectured to be" is correct and usable in written English.
It can be used when discussing hypotheses or theories about something that is not definitively known or proven. Example: "The ancient artifact is conjectured to be over 2,000 years old based on its design and materials."
✓ Grammatically correct
Science
Academia
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
58 human-written examples
They were conjectured to be Castor and Pollux.
Furthermore, the supplementary teaching material is conjectured to be able to inspire students' imaginative capacity.
The non-paternity rate in the present English population is conjectured to be between 2 percent and 5percentt.
News & Media
This was conjectured to be due to the region having insufficient magnetic energy to power the missing large events.
Academia
We then move on to study extremal theories, conjectured to be dual to "pure" three-dimensional gravity.
Academia
It involves what has long been conjectured to be, in the absence of concrete evidence, a love triangle comprising some of the most celebrated figures in music.
News & Media
In 1977, Krivine proposed a natural rounding scheme for the Grothendieck inequality, proving an upper bound, which he conjectured to be tight.
Academia
Time permitting, we will also see results that are conditional on the intractability of "unique games," an assumption that is conjectured to be equivalent to P!=NP.
Academia
The lack of accuracy in the dilute regime is conjectured to be due to the wide particle size distribution that resulted in segregation during the transient testing.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
We discuss a weaker condition inspired by considering extremal transitions, which is also mirror symmetric and which we conjecture to be sufficient.
Academia
These are the kinds of informational dynamics which we conjecture to be useful in the composition of overall epidemiological agent-based models for HIV/AIDS.
Science
Expert writing Tips
Best practice
Use "conjectured to be" when you want to indicate that a statement is based on inference and not yet definitively proven. It's appropriate in academic and scientific writing where hypotheses are discussed.
Common error
Avoid using "conjectured to be" in casual contexts where simpler alternatives like "thought to be" or "believed to be" are more appropriate. Overly formal language can sound unnatural.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "conjectured to be" functions as a passive verb phrase expressing a degree of uncertainty or supposition. It is frequently used to present a hypothesis or belief based on incomplete evidence, as shown in the examples provided by Ludwig.
Frequent in
Science
50%
Academia
30%
News & Media
10%
Less common in
Encyclopedias
3%
Wiki
4%
Formal & Business
3%
Ludwig's WRAP-UP
In summary, the phrase "conjectured to be" is a valuable tool for expressing informed speculation, particularly in academic and scientific fields. Ludwig AI confirms that it is grammatically correct and widely used. While highly suitable for formal writing, remember to choose simpler alternatives like ""believed to be"" or ""thought to be"" in casual contexts. With a high frequency and presence in authoritative sources, mastering its use will certainly enhance your writing precision and clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
hypothesized to be
Indicates a formal hypothesis or educated guess in a scientific context.
theorized to be
Presents something as part of a formal theory or explanation.
presumed to be
Expresses a belief based on reasonable evidence, suggesting less formal investigation than "conjectured to be".
speculated to be
Suggests conjecture based on incomplete evidence, often implying a degree of uncertainty.
posited as
A more formal term suggesting that something is presented as a fact or basis for reasoning.
thought to be
A simpler, more common way of expressing a belief or opinion about something.
believed to be
Similar to "thought to be", but can imply a wider acceptance or stronger conviction.
assumed to be
Indicates that something is taken for granted without proof.
suspected to be
Suggests a belief based on limited evidence, often with a negative connotation.
estimated to be
Implies a calculation or approximation, rather than a pure guess.
FAQs
What does "conjectured to be" mean?
The phrase "conjectured to be" means that something is believed or supposed to be true based on available information, but without definitive proof. It indicates an educated guess or hypothesis.
When is it appropriate to use "conjectured to be" in writing?
It is appropriate to use "conjectured to be" in formal writing, especially in scientific or academic contexts, where you are discussing hypotheses or theories that have not yet been proven. It is best to avoid it in more informal situations.
What are some alternatives to "conjectured to be"?
Some alternatives to "conjectured to be" include "believed to be", "thought to be", "hypothesized to be", and "presumed to be". The best choice depends on the specific context and the degree of certainty you want to convey.
Is "conjectured to be" interchangeable with "assumed to be"?
While both phrases indicate a lack of definitive proof, "conjectured to be" often implies some supporting evidence or reasoning, whereas "assumed to be" suggests something is taken for granted without necessarily having evidence. Therefore, they are not always interchangeable.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested