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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has lost its validity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has lost its validity" is correct and usable in written English.
You can use it when discussing something that is no longer relevant, applicable, or accepted, such as a theory, argument, or rule. Example: "The previous agreement has lost its validity due to the changes in circumstances."
✓ Grammatically correct
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
The very structure of hierarchy of levels has lost its validity, even for those who believe in it as a model of autonomy of levels rather than as an image of fundamentalism.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
– UK passports could lose nine months of validity.
News & Media
The Allies had confidently expected that victory in a major set-piece battle would compel Louis XIV to accept peace on Allied terms, but after Malplaquet (the bloodiest battle of the war), that strategy had lost its validity: Villars had only to avoid defeat for a compromise peace settlement to become inevitable.
Wiki
It has lost its base.
News & Media
"It has lost its way," he says.
News & Media
Recently, however, it has lost its direction.
News & Media
But it has lost its regulatory powers.
News & Media
— has lost its draw.
News & Media
America has lost its way.
News & Media
Goldman Sachs has lost its luster.
News & Media
Electoral democracy has lost its moral prestige.
News & Media
Expert writing Tips
Best practice
When using "has lost its validity", ensure the context clearly indicates what specific factor caused the loss of validity. Providing context improves clarity and strengthens your argument.
Common error
Avoid using "has lost its validity" when describing minor imperfections or temporary setbacks. This phrase is most effective when something fundamentally no longer holds true or applicable.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has lost its validity" functions as a declarative statement, indicating that something previously considered true or applicable is no longer so. Ludwig AI confirms its correctness and usability in written English.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
16%
Less common in
Wiki
8%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "has lost its validity" is a grammatically correct phrase used to express that something is no longer relevant or applicable. As Ludwig AI notes, it is suitable for use in written English. While its frequency is relatively rare, the phrase appears across different contexts, from academic discussions to news reports. When using this phrase, be sure to provide clear context as to why something has lost its validity. Consider alternatives such as "is no longer valid" or "has become obsolete" to achieve a similar meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is no longer valid
Directly states the invalidity, a more concise alternative.
is no longer applicable
Focuses on the lack of applicability in a specific situation.
is no longer relevant
Emphasizes the lack of current importance or pertinence.
has become obsolete
Indicates that something is outdated and no longer in use.
has been invalidated
Suggests a formal or official declaration of invalidity.
has expired
Implies a time-based limit on validity, often for documents or agreements.
is now defunct
Describes something that is no longer functioning or in existence.
is outmoded
Implies that something is old-fashioned and no longer practical.
is discredited
Suggests that something has lost credibility or acceptance.
is no longer in effect
Highlights the cessation of a rule or law's operational status.
FAQs
How can I use "has lost its validity" in a sentence?
You can use "has lost its validity" to indicate that a previously accepted idea, rule, or agreement is no longer applicable or true. For example, "The original hypothesis "has lost its validity" due to new evidence".
What can I say instead of "has lost its validity"?
You can use alternatives like "is no longer valid", "is no longer applicable", or "has become obsolete" depending on the context.
Is it appropriate to use "has lost its validity" in formal writing?
Yes, "has lost its validity" is suitable for formal writing, especially when discussing theories, legal matters, or formal agreements. However, ensure the context is appropriate and the statement is accurate.
What's the difference between "has lost its validity" and "is no longer effective"?
"Has lost its validity" implies that something is fundamentally untrue or inapplicable, while "is no longer effective" suggests that something is not producing the desired results, even if it is technically still valid. A law might still be valid but no longer effective in reducing crime.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested