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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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valid in perpetuity

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "valid in perpetuity" is correct and usable in written English.
It can be used in legal or formal contexts to indicate that something is valid indefinitely or for an unlimited duration. Example: "The contract is valid in perpetuity, ensuring that the terms remain in effect forever."

✓ Grammatically correct

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Amendments generally require a two-thirds majority of both chambers of parliament; the fundamental principles of the constitution, as expressed in the articles guaranteeing human dignity, the separation of powers, the federal structure, and the rule of law are valid in perpetuity.

The CKD-EPI and MDRD equations will be studied because they are anchored to both creatinine and cystatin C reference methodology and therefore likely to generate data that will be valid in perpetuity.

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

He formally advised city officials to deny Madison Square Garden's request to stay put "in perpetuity".

News & Media

The New York Times

It is backed by the Scott Trust, which is designed to ensure it survives "in perpetuity".

News & Media

The Economist

The U.S. gained the rights to the canal strip "in perpetuity".

Valuations cannot rise in perpetuity.

News & Media

The Economist

Should the authority exist in perpetuity?

News & Media

The New York Times

These royalties will be paid in perpetuity.

News & Media

The New Yorker

Those shadows are there in perpetuity".

News & Media

The Guardian

The fees are guaranteed in perpetuity.

News & Media

The New York Times

"Eternity in perpetuity," she says.

Show more...

Expert writing Tips

Best practice

Use "valid in perpetuity" in formal and legal contexts where you want to emphasize the enduring and unlimited nature of validity. For example, when describing a contract or agreement.

Common error

Avoid using "valid in perpetuity" in casual conversation or informal writing. The phrase is highly formal and can sound pretentious or overly verbose in everyday contexts.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

90%

Authority and reliability

4.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "valid in perpetuity" functions as an adjectival modifier describing the enduring nature of something's validity. As noted by Ludwig, this phrase suggests that the validity is intended to last indefinitely. It commonly appears in formal contexts, such as legal documents or constitutional principles.

Expression frequency: Rare

Frequent in

Science

50%

Wiki

50%

News & Media

0%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "valid in perpetuity" is used to describe something that is permanently valid, without any end date. According to Ludwig, it's grammatically correct but relatively rare. Ludwig's analysis of the example sentences indicates its primary contexts of use are science and wiki articles. Because of its formal tone and use cases, it's best suited for legal, academic, and formal writing. When writing, remember that simpler alternatives exist for more casual contexts. Examples of these are "valid forever" or "valid indefinitely".

FAQs

How can I use "valid in perpetuity" in a sentence?

You can use "valid in perpetuity" to describe agreements, contracts, or principles that are intended to remain in effect indefinitely. For example, "The fundamental principles of the constitution, as expressed in the articles guaranteeing human dignity, are "valid in perpetuity"".

What does "valid in perpetuity" mean?

"Valid in perpetuity" means valid forever, without any specified end or expiration. It signifies that something remains legally sound or effective for an unlimited duration.

Are there simpler alternatives to "valid in perpetuity"?

Yes, you can use alternatives like "valid forever" or "valid indefinitely" for a less formal tone.

Is it appropriate to use "valid in perpetuity" in everyday conversation?

While grammatically correct, "valid in perpetuity" is more suited for formal and legal contexts. In everyday conversation, simpler phrases like "valid forever" or "always valid" are generally more appropriate.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: