is not sustained

USAGE SUMMARY

The phrase "is not sustained" is correct and usable in written English.
It can be used to indicate that something is not maintained or upheld over time, often in contexts related to performance, support, or continuity. Example: "The momentum of the project is not sustained due to lack of funding."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The charge is not sustained.

The Economist

But it is not sustained.

The New York Times

We also agree with the court below that this defense is not sustained.

Cornell University

The objection of variance between the conviction and the sentence is not sustained by the record.

Cornell University

It is not sustained by a single consistent ideology or issue position.

The Guardian

Moreover, the Academy is not sustained by God or the US Treasury.

The Guardian - Film

This pattern could reproduce itself if a momentum of expanded cooperation is not sustained.

Communist and Post-Communist Studies

Alas, costly health care is not sustained in Britain or anywhere else by Harry Potter's wand.

The Economist

If this surge is not sustained, the surplus looks rather smaller.

The Economist

The burden is not sustained by making allegations which are merely the general conclusions of law or fact.

Cornell University

"The contention of libelants that the nets provided them were rotten and unserviceable is not sustained by the evidence.

Harvard University

Expert writing Tips

Best practice

Use "is not sustained" when you want to emphasize that a process, condition, or effect doesn't continue over a period of time.

Common error

Avoid using "is not sustained" when a transitive verb and active voice are more appropriate. For example, instead of "The company is not sustained profits", write "The company did not sustain profits."

Linguistic Context

The phrase "is not sustained" functions as a passive verb phrase, indicating that something fails to continue, maintain, or uphold itself over a period. According to Ludwig AI, this phrase is grammatically correct and widely applicable.

Expression frequency: Very common

Frequent in

Science

46%

News & Media

36%

Academia

18%

Less common in

Formal & Business

8%

Encyclopedias

2%

Wiki

2%

Ludwig's WRAP-UP

In summary, the phrase "is not sustained" is a grammatically sound and frequently used expression that conveys a lack of continuation or maintenance over time. Ludwig AI confirms its correctness and usability across various contexts. It is particularly common in scientific, news, and academic writing, where it serves to objectively describe phenomena that diminish or fail to persist. While several alternatives exist, such as "is not maintained" or "does not continue", the choice depends on the nuance you wish to convey. Avoid misusing the phrase with transitive verbs, opting instead for an active voice construction.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is not maintained

Replaces "sustained" with a direct synonym, focusing on the lack of upkeep or continuation.

does not continue

Simple substitution emphasizing the absence of ongoing action or effect.

is not upheld

Focuses on a failure to support or affirm something over time, suitable for arguments or decisions.

cannot be prolonged

Highlights the inability to extend the duration of something.

is not prolonged

Passive construction indicating the duration of something is limited.

is not carried on

Emphasizes the termination of an activity or process.

is not perpetuated

Focuses on the lack of continuation into future generations or instances.

is short-lived

Highlights that the duration is minimal or temporary.

does not last

Simple and direct, indicating a lack of durability.

is impermanent

Describes something that is not lasting or permanent.

FAQs

How can I use "is not sustained" in a sentence?

Use "is not sustained" to indicate that something, such as progress or an effect, does not continue or maintain itself over time. For example, "The initial enthusiasm "is not sustained" throughout the project".

What are some alternatives to saying "is not sustained"?

You can use alternatives like "is not maintained", "does not continue", or "is short-lived" depending on the specific context.

Is it correct to say "was not sustained" instead of "is not sustained"?

Yes, "was not sustained" is correct when referring to something that did not continue in the past. "Is not sustained" refers to something that generally or currently does not continue.

What is the difference between "is not sustained" and "is unsustainable"?

"Is not sustained" means something doesn't continue over time, while "is unsustainable" means something cannot be maintained at the current rate or level. "Is not sustained" focuses on the lack of continuation, while is unsustainable focuses on the inability to be maintained long-term.