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
be impossible to build
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be impossible to build" is correct and usable in written English.
It can be used when discussing the feasibility of constructing something, whether it be a physical structure or an abstract concept. Example: "Given the current budget constraints and environmental regulations, it may be impossible to build the new facility as planned."
✓ Grammatically correct
News & Media
Academia
Science
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
21 human-written examples
It would be impossible to build a meaningfully decentralized network of this kind from the top down.
Most financial experts agree it would be impossible to build an internal operation of this size in a few weeks.
News & Media
It wasn't long ago that some physicists said that optical invisibility cloaks would be impossible to build.
News & Media
"Then we can simulate different shapes, or a bigger instrument". The guitar can even be made to simulate shapes that would be impossible to build physically.
Just to the south, the border runs so close to a road alongside the Israeli settlement of Manara that it would be impossible to build a security fence.
News & Media
It would be impossible to build one computer to please everyone, but Toshiba's new Satellite A205-S4617 notebook sure takes a whack at it.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
In such a building it is impossible to build the ventilation network with traditional vertical and horizontal canals.
Science
It's impossible to build teams.
News & Media
"It was impossible to build, to break through that".
News & Media
It's impossible to build schools now because the Taliban will blow them up.
News & Media
It's impossible to build a healthy society when there's such impunity.
News & Media
Expert writing Tips
Best practice
Use "be impossible to build" when you want to emphasize the infeasibility of constructing or creating something due to practical, technical, or resource limitations.
Common error
Avoid using "be impossible to build" when the challenge is significant but potentially surmountable with innovation or additional resources. Instead, consider using phrases like "be difficult to build" or "present significant challenges to build" to convey a sense of difficulty rather than absolute impossibility.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be impossible to build" functions as an infinitive phrase expressing the infeasibility or impossibility of constructing something. It modifies a noun or pronoun by describing a limitation or constraint, as evidenced by Ludwig examples.
Frequent in
News & Media
60%
Academia
20%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "be impossible to build" is an infinitive phrase used to express that something cannot be constructed or created, a determination supported by Ludwig. It's deemed grammatically correct and appears most frequently in News & Media, Academia, and Science, indicating a neutral formality level. While it's considered an uncommon expression, Ludwig's examples confirm its diverse application across authoritative sources. When using this phrase, it's important to ensure that the impossibility is genuine, rather than a significant difficulty that could potentially be overcome.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be unfeasible to construct
Replaces 'impossible' with 'unfeasible' and 'build' with 'construct', maintaining the meaning of something not being practically viable to create.
be infeasible to fabricate
Replaces 'impossible' with 'infeasible' and 'build' with 'fabricate', stressing the impracticality of manufacturing something.
be unrealizable to create
Replaces 'impossible' with 'unrealizable' and 'build' with 'create', highlighting the inability to bring something into existence.
be unachievable to erect
Substitutes 'impossible' with 'unachievable' and 'build' with 'erect', emphasizing the infeasibility of raising or constructing something.
be incapable of being constructed
Focuses on the inherent inability or lack of capacity for something to be constructed.
be not able to be built
Uses a more verbose phrasing to express the inability to build something, focusing on the lack of capability.
be insurmountable to assemble
Substitutes 'impossible' with 'insurmountable' and 'build' with 'assemble', suggesting that the challenges in putting something together are too great to overcome.
be beyond the realm of construction
Shifts from impossibility to something being outside the scope or possibility of construction, indicating a more abstract limitation.
be out of the question to build
Indicates that building something is not a viable option or consideration, emphasizing its impracticality.
be not possible to put up
Uses a more informal and direct expression to indicate that it's not possible to erect or build something.
FAQs
How can I use "be impossible to build" in a sentence?
You can use "be impossible to build" to describe situations where construction or creation is not feasible. For example, "Given the environmental regulations, it may "be impossible to build" a new factory in this area."
What are some alternatives to "be impossible to build"?
Alternatives include "be unfeasible to construct", "be unachievable to erect", or "be not able to be built", depending on the specific context.
Is it more appropriate to say "be impossible to build" or "be difficult to build"?
Use "be impossible to build" when there are insurmountable obstacles preventing construction. Use "be difficult to build" when construction is challenging but potentially achievable with effort or resources.
When should I use "be impossible to build" versus "cannot be built"?
"Be impossible to build" emphasizes the impossibility, while "cannot be built" is a more direct statement of inability. Both are grammatically correct and can be used interchangeably, but "be impossible to build" may carry a stronger connotation of infeasibility.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested