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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
is only valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is only valid" is a correct and usable phrase in written English.
You can use it when referring to something that is accepted or allowed, such as a law, rule, or agreement. For example: "The new contract is only valid for three months."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
is applicable solely
is conditionally correct
applies only if
is exclusively applicable
is restricted to
is limited to
is not universally applicable
is contingent upon
is only valuable
is only justifiable
is only correct
is only suitable
is only true
is only fair
is only appropriate
is only worthwhile
is only useful
is only viable
is only reasonable
is only twenty-eight
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
58 human-written examples
(This package is only valid for Sunday through Tuesday arrivals).
News & Media
(Our police permit is only valid until noon).
News & Media
"Yes, sir, a stop payment on a check is only valid for six months".
News & Media
However, Baby Einstein's general "money-back" guarantee is only valid for 60 days from purchase and requires a receipt.
News & Media
Stokes' law is only valid for a single sphere.
Science
Corollary 3.3 is only valid for ω ∈ ( 0, 1 2 ).
This is only valid for the PHYDYAS filter.
This result is only valid for the azimuth angle considered.
This is only valid for rectangular receiver coils.
However this is only valid for where (22).
Most of the research on how to interpret Brazilian test is only valid for isotropic rock.
Science
Expert writing Tips
Best practice
When using "is only valid", clearly state the conditions or limitations that apply. This ensures clarity and prevents misinterpretation.
Common error
Avoid using "is only valid" without specifying the context or conditions that make it valid. This can lead to confusion and misapplication of the statement.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is only valid" functions as a limiting adjective phrase. It modifies a noun or statement by indicating that its truth or applicability is conditional. As Ludwig AI suggests, this phrase signifies specific acceptance or allowance of something.
Frequent in
Science
49%
News & Media
22%
Wiki
10%
Less common in
Formal & Business
12%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "is only valid" functions as a limiting adjective phrase, communicating that something is true or applicable under specific, defined conditions. Ludwig AI confirms that this phrase is correct and usable, indicating that it enjoys considerable use in numerous contexts. Predominantly found in scientific and news contexts, this phrase has a neutral-to-professional register, and its proper use involves specifying the necessary conditions to prevent misinterpretation. Alternatives, such as "is applicable solely" or "applies only if", can be used to subtly adjust the emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is applicable solely
Emphasizes exclusivity and limited application.
is exclusively applicable
Highlights that the condition applies to nothing else.
is conditionally correct
Highlights the dependence on specific conditions being met.
holds true solely when
Focuses on the specific condition under which something is true.
applies only if
Directly states the condition for application.
is true only under
Similar to "applies only if", but uses "true".
is restricted to
Highlights the limitation or restriction of the validity.
is limited to
Focuses on the boundaries of the validity.
is not universally applicable
Emphasizes the lack of universal validity.
is contingent upon
Focuses on the dependence on a specific condition.
FAQs
How can I use "is only valid" in a sentence?
You can use "is only valid" to indicate that something is true or applicable only under specific conditions. For example, "This discount "is only valid" with a student ID".
What phrases are similar to "is only valid"?
Similar phrases include "is applicable solely", "is conditionally correct", or "applies only if", each subtly shifting the emphasis on limitation or conditionality.
Is it correct to say "is only valid until"?
Yes, "is only valid until" is a common construction to specify an expiration date or time. For example, "The coupon "is only valid" until December 31st".
What's the difference between "is valid" and "is only valid"?
"Is valid" implies general acceptance or truth, while ""is only valid"" indicates that acceptance or truth is restricted to specific circumstances. The inclusion of "only" adds a limiting condition.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested