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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
lengthen the validity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "lengthen the validity" is correct and usable in written English.
It can be used when discussing extending the duration or time frame of something that is valid, such as a contract, offer, or agreement. Example: "We need to lengthen the validity of the current contract to ensure we have enough time to finalize the negotiations."
✓ Grammatically correct
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Individual Member States may lengthen the limitations period (Article 3(3)).
Academia
Just lengthen the month by several weeks.
News & Media
Both could lengthen the weaning process.
Science
1. Lengthen the Tryout Period.
News & Media
Lengthen the hem.
Wiki
Lengthen the "down.
Wiki
Do stretching exercises to lengthen the muscles.
Wiki
Lengthen the step and shrink the image.
Wiki
This could lengthen the overall cooking time.
Wiki
See if you can lengthen the word.
Wiki
Mr. Spano has lengthened the season.
News & Media
Expert writing Tips
Best practice
When aiming to "lengthen the validity" of a document or agreement, be precise about the new expiration date or duration. This avoids ambiguity and potential disputes.
Common error
Avoid using "lengthen the validity" when you actually intend to broaden the scope or terms of an agreement, rather than simply extending its duration. These are distinct concepts that require different actions.
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "lengthen the validity" functions as a directive or recommendation, suggesting an action to extend the period during which something is valid. Ludwig AI indicates that the phrase is grammatically correct and usable.
Frequent in
Formal & Business
0%
News & Media
0%
Science
0%
Less common in
Wiki
0%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "lengthen the validity" is grammatically correct but currently lacks robust real-world usage examples, according to Ludwig. It serves to recommend or direct the action of extending a period of validity, suitable for professional and formal contexts. While direct examples are limited, similar phrases such as "extend the validity" or "prolong the validity" can be used interchangeably. When employing this phrase, ensure clarity in specifying the new expiration date and avoid confusing validity with scope. Despite the lack of examples, Ludwig AI confirms the phrase's usability in written English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
extend the validity
Replaces "lengthen" with "extend", offering a more common synonym.
prolong the validity
Substitutes "lengthen" with "prolong", emphasizing a more significant extension of time.
increase the duration of validity
Rephrases to focus on increasing the "duration" rather than directly using "lengthen".
stretch the validity
Uses "stretch" as a more informal synonym for "lengthen", implying an extension.
expand the validity period
Changes the structure to emphasize the "validity period" and uses "expand" instead of "lengthen".
broaden the validity
Employs "broaden" to suggest a widening of the validity's scope or timeframe.
make the validity longer
A simpler, more direct phrasing that replaces "lengthen" with "make longer".
elongate the validity
Uses "elongate", a less common but still accurate synonym for "lengthen".
push back the expiration date
Focuses on the outcome of lengthening validity: delaying the expiration date.
increase the term of validity
Replaces duration with term for more formal synonym
FAQs
What does "lengthen the validity" mean?
To "lengthen the validity" means to extend the period for which something is considered valid, effective, or legally binding. For example, you might "extend the validity" of a contract.
How can I "lengthen the validity" of a document?
The specific steps depend on the document. It might involve an amendment, renewal, or formal extension process. Always consult legal counsel when altering legally binding agreements to "prolong the validity".
What are some alternatives to "lengthen the validity"?
Alternatives include "extend the validity", "prolong the validity", or "increase the duration of validity". The best choice depends on the specific context.
Is it always possible to "lengthen the validity"?
No. Whether you can "lengthen the validity" depends on the terms of the original agreement, applicable laws, and the consent of all parties involved. Some agreements may not be extendable.
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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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested