are no longer valid

USAGE SUMMARY

The phrase "are no longer valid" is correct and usable in written English.
It can be used to indicate that something is outdated, no longer applicable, or has lost its relevance. Example: "Due to recent changes in the law, the previous regulations are no longer valid."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Old locations and habits are no longer valid.

Princeton University

However, some properties of ordinary set operations are no longer valid for fuzzy sets.

Britannica

These values are no longer valid for the case where continuity exists.

Journal of Building Engineering

This paper considers two cases where the common conjunction assessment assumptions are no longer valid.

Advances in Space Research

Old assumptions about the value of major labels are no longer valid, said Howie Klein, a former president of Reprise.

The New York Times

"If they are selling them, we don't see that as a very big issue for us because they are no longer valid registration markers".

The New York Times

(5a) Appellant argues that Sonnicksen and Brooks are no longer valid precedents because they are based on outdated views of the role of women and marriage.

Harvard University

In the latter case, the experimentally measured amplitudes of the second harmonic become large, and the assumptions the theory are no longer valid.

Chemical Engineering Science

Parts of Corollaries 5.1-5.6 are no longer valid in their current form.

Advances in Difference Equations

Eventually, as the singular parameter (C m ) is increased sufficiently, new dynamics will be introduced, and the insights from the singular analysis are no longer valid.

The Journal of Mathematical Neuroscience

"The central assumptions of the Obama administration space policy are no longer valid," he said.

Los Angeles Times

Expert writing Tips

Best practice

When using "are no longer valid", ensure the context clearly indicates what specific change or event has caused the invalidation. This provides clarity and avoids ambiguity.

Common error

Avoid stating that something "are no longer valid" without specifying the scope or conditions. Be precise about what aspects are affected and why, to prevent misinterpretations.

Linguistic Context

The phrase "are no longer valid" functions as a predicate adjective, modifying a subject to indicate that it has lost its validity. Ludwig's examples demonstrate its usage across diverse contexts to express obsolescence or inapplicability.

Expression frequency: Very common

Frequent in

Science

38%

News & Media

33%

Academia

15%

Less common in

Formal & Business

5%

Encyclopedias

2%

Wiki

2%

Ludwig's WRAP-UP

The phrase "are no longer valid" is a versatile and commonly used expression to indicate that something has lost its validity due to changes, obsolescence, or inapplicability. As Ludwig confirms, it appears frequently in scientific, news, and academic contexts. When using this phrase, be specific about what is no longer valid and why to avoid ambiguity. Alternatives like "are outdated" or "are no longer applicable" can be used depending on the specific nuance you wish to convey. Mastering the appropriate use of "are no longer valid" will improve the clarity and precision of your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are now invalid

Replaces "no longer" with "now" while maintaining the core meaning of inapplicability.

are now obsolete

Substitutes "valid" with "obsolete" to emphasize the outdated nature of something.

are no longer applicable

Emphasizes that something doesn't apply to the current situation.

are outdated

A more concise way of saying something is no longer current or useful.

are no longer in effect

Focuses on the lack of legal or practical force something once had.

have expired

Implies that a specific time limit for validity has passed.

are now ineffective

Replaces "valid" with "ineffective" to highlight the lack of desired outcome or impact.

are superseded

Indicates that something has been replaced by something newer or more effective.

are rendered void

A more formal way of saying something has been nullified or invalidated.

are defunct

Implies that something is no longer functioning or in use.

FAQs

What does "are no longer valid" mean?

The phrase "are no longer valid" means that something once considered acceptable, true, or applicable is no longer so due to changes, updates, or new information.

How can I use "are no longer valid" in a sentence?

You can use "are no longer valid" to indicate that previous assumptions, rules, or data "are outdated". For example: "The original assumptions are no longer valid due to the new evidence."

What are some alternatives to "are no longer valid"?

Some alternatives include "are outdated", "are no longer applicable", "are now invalid", or "have expired" depending on the context.

Is it better to say "are no longer valid" or "are invalid"?

Both phrases are grammatically correct, but "are no longer valid" emphasizes a change over time, whereas "are invalid" simply states a current condition. The best choice depends on the context you want to convey.