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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is unsustainable

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is unsustainable" is correct and usable in written English.
It can be used to describe a situation, practice, or resource that cannot be maintained over the long term without causing harm or depletion. Example: "The current fishing practices in the region are unsustainable and threaten the local fish populations."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Such indebtedness is unsustainable.

News & Media

The Economist

It is unsustainable.

News & Media

The New York Times

This is unsustainable.

News & Media

The Economist

"That is unsustainable".

News & Media

The New York Times

This discrepancy is unsustainable.

News & Media

The Economist

This combination is unsustainable.

News & Media

The Economist

This gap is unsustainable.

Now it is unsustainable.

Everyone knows it is unsustainable.

News & Media

Independent

Stalemate is unsustainable.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Such attitudes are unsustainable.

News & Media

The Economist

Expert writing Tips

Best practice

When using "is unsustainable", ensure you clearly articulate why something cannot be maintained. Providing specific reasons strengthens your argument and adds credibility.

Common error

Avoid using "is unsustainable" as a vague, generalized critique. Instead, provide concrete evidence or data to support your claim. For example, instead of saying "the project is unsustainable", specify "the project is unsustainable due to a lack of funding and inadequate resources."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is unsustainable" functions as a predicate adjective, describing a subject's inability to be maintained at its current rate or level. As Ludwig AI confirms, it is used to express that a situation, resource use, or practice cannot continue indefinitely without negative consequences.

Expression frequency: Very common

Frequent in

News & Media

61%

Academia

20%

Science

19%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

1%

Ludwig's WRAP-UP

In summary, the phrase "is unsustainable" is a common and grammatically correct way to describe something that cannot be maintained in the long term. Ludwig AI confirms its validity. It's frequently used in news, academic, and scientific contexts to express concern about practices or situations that may lead to negative outcomes. For effective writing, remember to provide context by explaining why something is unsustainable and avoid using it as a vague critique. Alternatives include "cannot be maintained" and "is not viable". By understanding its nuances and usage patterns, you can use "is unsustainable" effectively in your own writing.

FAQs

What does it mean when something "is unsustainable"?

When something "is unsustainable", it means that it cannot be maintained at its current rate or level indefinitely. This often implies that it will eventually lead to negative consequences or collapse.

How to use "is unsustainable" in a sentence?

You can use "is unsustainable" to describe practices, systems, or situations that cannot be maintained in the long term. For example: "The current rate of resource consumption "is unsustainable"."

What can I say instead of "is unsustainable"?

You can use alternatives like "cannot be maintained", "is not viable", or "is not feasible" depending on the context.

What's the difference between "is unsustainable" and "is inefficient"?

"Is unsustainable" implies that something cannot continue indefinitely, often due to resource depletion or negative consequences. "Is inefficient", on the other hand, means that something wastes resources or time but may still be able to continue. A process can be inefficient without being unsustainable, and vice versa.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: