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
built on speculation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "built on speculation" is correct and usable in written English.
It can be used when discussing ideas, theories, or conclusions that are based on conjecture rather than solid evidence. Example: "The theory was built on speculation, lacking any substantial proof to support its claims."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(2)
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
The other one was built on speculation and eventually was leased by Novartis, a pharmaceutical company.
News & Media
Close to 1.7 million square feet of space is currently being built on speculation statewide -- and two new speculative structures built at 8A -- Matrix Development's Centerpoint and Keystone's Cranbury West-Phase II -- are vacant.
News & Media
"My husband wanted a new house, I wanted something older and this made us both happy," said Amanda Brown, who now lives in one of the houses that was built on speculation.
News & Media
Venice, the city built on speculation,.
News & Media
The houses will be built on speculation.
News & Media
The tower was built on speculation.
News & Media
They may have been built on speculation and were most certainly occupied by local tradesmen.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
"We could do a built-to-suit" facility, tailored to one company's specifications, Mr. Griffin said, or build on speculation without a specific tenant.
News & Media
But the company will not build on speculation.
News & Media
But Mr. Cotter did decide to build on speculation.
News & Media
For unlike other architects, he builds on speculation.
News & Media
Expert writing Tips
Best practice
When using "built on speculation", ensure the context clearly indicates the lack of concrete evidence or the presence of significant uncertainty. This helps avoid misinterpretations and strengthens your argument by acknowledging potential weaknesses.
Common error
Avoid presenting something "built on speculation" as a definitive fact. Qualify your statements to reflect the speculative nature of the foundation, using phrases like "it is believed" or "it is hypothesized".
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "built on speculation" typically functions as a descriptive modifier, often used to characterize a noun (theory, idea, building, argument) whose basis lacks concrete evidence or is rooted in conjecture. As Ludwig AI points out, its usage is grammatically correct and quite common.
Frequent in
News & Media
68%
Academia
16%
Formal & Business
6%
Less common in
Wiki
2%
Science
4%
Reference
4%
Ludwig's WRAP-UP
In summary, "built on speculation" is a grammatically correct and frequently used phrase that serves to describe something lacking a solid foundation. As Ludwig AI confirms, the phrase is widely used and understood. Its primary function is to express caution or skepticism, and its usage spans various registers, although it is most prevalent in news media. When employing this phrase, ensure that the context clearly conveys the speculative nature of the subject to avoid misinterpretations. Alternatives like ""based on conjecture"" or ""founded on guesswork"" can offer similar nuances depending on the desired emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
resting on speculation
Highlights the act of speculating as the basis.
reliant on conjecture
Highlights the reliance on a speculative claim.
based on conjecture
Focuses on the uncertainty inherent in the foundation.
founded on guesswork
Highlights the lack of solid evidence.
based on unsubstantiated claims
Points out the lack of support of the claims.
premised on assumptions
Emphasizes reliance on unproven ideas.
predicated on hypotheses
Suggests a scientific or theoretical basis that is yet unproven.
grounded in supposition
Similar to assumption, but slightly more formal.
dependent on unproven theories
Highlights that the base on theory is unproven yet.
contingent on uncertain events
Focuses on the dependence on future unknowns.
FAQs
How can I use "built on speculation" in a sentence?
You can use "built on speculation" to describe theories, projects, or arguments that lack solid evidence. For example, "The real estate market's growth was "built on speculation", leading to an unsustainable bubble".
What are some alternatives to "built on speculation"?
Alternatives include "based on conjecture", "founded on guesswork", or "premised on assumptions". The best choice depends on the specific nuance you want to convey.
Is it better to say "based on speculation" or "built on speculation"?
Both "based on speculation" and "built on speculation" are grammatically correct and have similar meanings. "Built on speculation" often implies a more elaborate or developed structure that is relying on uncertain foundations.
What does it mean when something is described as "built on speculation"?
When something is described as "built on speculation", it means that its development or justification is based on uncertain or unproven ideas rather than concrete evidence or facts. This indicates a higher level of risk and uncertainty.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested