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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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not feasible

Grammar usage guide and real-world examples

USAGE SUMMARY

"not feasible" is a correct and usable part of a sentence in written English.
You can use it to describe something that cannot be done or accomplished. For example, "Building a time machine is not feasible."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

And it's not feasible".

News & Media

The Guardian

They're not feasible.

That's simply not feasible.

News & Media

The New York Times

Not feasible, you say?

News & Media

The New York Times

It's just not feasible.

News & Media

The Guardian

Perhaps it is not feasible.

Factually, that's just not feasible.

News & Media

The New Yorker

The travelling was not feasible.

News & Media

Independent

He said: "It's not feasible.

News & Media

The Guardian

Its design is not feasible.

More importantly, it's simply not feasible.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Use "not feasible" to objectively assess whether a plan, idea, or method can be realistically carried out given existing constraints (resources, time, technology).

Common error

Avoid using "not feasible" when expressing personal opinions or preferences. It is more appropriate when based on objective criteria or evidence.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "not feasible" functions as an adjective phrase that modifies a noun or pronoun, indicating that something is not capable of being done or achieved. As Ludwig AI confirms, it's grammatically correct and widely used.

Expression frequency: Very common

Frequent in

News & Media

39%

Science

34%

Academia

12%

Less common in

Wiki

5%

Formal & Business

5%

Reference

0%

Ludwig's WRAP-UP

The phrase "not feasible" is a common and grammatically correct way to express that something is impractical or impossible. As confirmed by Ludwig AI, it's widely used across various contexts, including News & Media, Science, and Academia. The expert rating of 4.6 reflects its high reliability and usefulness. When using this phrase, ensure it is based on objective criteria rather than personal opinions. Alternatives include "impractical", "unrealistic", and "impossible", each carrying slight differences in nuance. The extensive examples provided by Ludwig showcase the phrase's versatility and appropriateness in diverse scenarios.

FAQs

How can I use "not feasible" in a sentence?

You can use "not feasible" to describe something that is impractical or impossible to achieve. For example: "Building a colony on Mars is currently "not feasible" with current technology".

What are some alternatives to saying "not feasible"?

You can use alternatives like "impractical", "unrealistic", or "impossible" depending on the context.

Is it correct to say "not feasible" or should I use another phrase?

"Not feasible" is a perfectly acceptable and commonly used phrase. Its appropriateness depends on the specific context and the nuance you want to convey. Other options include "not viable" or "unworkable".

What's the difference between "not feasible" and "not practical"?

While similar, "not feasible" suggests something is impossible to achieve due to constraints, while "not practical" implies something is possible but inefficient or undesirable. For example, a project might be technically feasible but "not practical" due to high costs.

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Source & Trust

85%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: