ceased to be valid

USAGE SUMMARY

The phrase "ceased to be valid" is correct and usable in written English.
It can be used when indicating that something is no longer applicable, acceptable, or in effect. Example: "The contract ceased to be valid after the specified date, and all obligations were terminated."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

But that justification long since ceased to be valid, to the extent that it ever was.

The New York Times

The bane of Lagrangian hydrodynamics calculations is the premature breakdown of grid topology that results in severe degradation of accuracy and run termination often long before the assumption of a Lagrangian zonal mass has ceased to be valid.

Journal of Computational Physics

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Many computer scientists have been warning for years that this time would come, that Moore's Law would cease to be valid because of increasing technical difficulties and the expense of overcoming them.

The New York Times - Science

The Indian economy has been operating with 60% less currency since the November announcement by the prime minister, Narendra Modi, that the country's two most used cash bills would cease to be valid within hours.

The Guardian

"When does a formulation of thought cease to be valid," asks Francis, and answers: "When it loses sight of the human or even when it is afraid of the human or deluded about itself".

The Guardian - Opinion

So, does Huygens's measurement cease to be valid in the context of the Principia?

SEP

By using classical thermodynamics, the "top down" approach ceases to be valid when thermal energy kT becomes smaller than the energetic gap between two successive levels, δ.

Nanoscale Research Letters

After the passage of enough time or perhaps, after the passage of enough time during which no claim for rectification is made the right of rectification for a specific past rights-violation may cease to be valid.

SEP

This work demonstrates that below a threshold value, defined as transition length, these stress concentration factors cease to be valid and, notably, also demonstrates that below this threshold the magnitude of the stated factors may be significantly larger than existing values; a fact that may have important consequences for the accurate estimates of fatigue life.

International Journal of Fatigue

If the Supreme Court rules that gay marriage is a constitutional right, then that instantly means that all the anti-gay-marriage "one man and one woman" laws would cease to be valid law.

Huffington Post

However, there are two important differences between the two analyses: first, that work investigated values of k d ranging from 100 nM and weaker (their Figure 3), which is weaker than many physiological repressors that operate in the range between 0.01 nM and 100 nM, and also outside the range in which the approximations used in the mathematical derivation cease to be valid.

BMC Systems Biology

Expert writing Tips

Best practice

When using "ceased to be valid", ensure the context clearly indicates what specific conditions or changes caused the invalidation. For example, specify a date, event, or violated condition.

Common error

Avoid using "ceased to be valid" in very informal contexts; it may sound overly formal or stilted. Consider using simpler alternatives like "isn't good anymore" or "doesn't work anymore" when writing for a general audience.

Linguistic Context

The phrase "ceased to be valid" functions as a verb phrase indicating the termination or invalidation of something. As Ludwig AI points out, it is used to express that something is no longer applicable, acceptable, or in effect.

Expression frequency: Common

Frequent in

Science

40%

News & Media

40%

Encyclopedias

5%

Less common in

Formal & Business

5%

Reference

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "ceased to be valid" is a grammatically correct phrase used to express that something is no longer applicable or effective. Ludwig AI confirms its correctness and usability in written English. While generally neutral in register, it's best suited for contexts requiring clarity and precision, such as legal, academic, and professional settings. When using the phrase, ensure clarity by specifying the reason for the invalidation. If a simpler, more informal tone is appropriate, consider alternatives like "became invalid" or "is no longer valid".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

became invalid

Emphasizes the state of being no longer valid.

is no longer valid

States the current non-valid status.

lost its validity

Focuses on the action of losing validity.

is no longer applicable

Focuses on the lack of relevance.

expired

Implies a time-based end to validity.

is no longer in effect

Emphasizes the cessation of a rule or law.

became obsolete

Suggests something is outdated and no longer useful.

is no longer operative

Suggests something is not working or functioning anymore.

became defunct

Implies the thing no longer exists or functions.

is null and void

Legal term suggesting a complete lack of validity.

FAQs

When is it appropriate to use "ceased to be valid"?

The phrase "ceased to be valid" is suitable when you want to formally state that something is no longer applicable, effective, or legally binding. It's common in legal, academic, and professional contexts.

What are some formal alternatives to "ceased to be valid"?

Formal alternatives include "became invalid", "is no longer valid", or "lost its validity". The best choice depends on the specific nuance you want to convey.

Is "ceased to be valid" interchangeable with "expired"?

While both indicate the end of effectiveness, "expired" is most appropriate for time-sensitive items like contracts or subscriptions. "Ceased to be valid" is broader and can apply to arguments, theories, or conditions that are no longer true or applicable for various reasons.

How can I make my writing clearer when using "ceased to be valid"?

To improve clarity, specify why something "ceased to be valid". For example, "The warranty ceased to be valid due to improper use" provides more context than simply stating "The warranty ceased to be valid".