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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 not play
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is not play" is correct and usable in written English.
It can be used to indicate that something does not involve play or is not playful in nature. Example: "This situation is serious; it is not play."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(4)
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
3 human-written examples
"I think all you can do is not play," she said.
News & Media
However, they need to be aware that it is not play time or time to visit the parents.
Wiki
That is what we hope to do in this column -- regird, that is, not play football.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"Brady is not playing well".
News & Media
Kaymer is not playing this week.
News & Media
He is not playing around!
News & Media
"Jayson is not playing.
News & Media
He is not playing against Alexander.
News & Media
One Barbadian, however, is not playing along.
News & Media
Yet RealNetworks is not playing defence.
News & Media
Their opponent is not playing any better.
News & Media
Expert writing Tips
Best practice
When using "is not play", ensure the context clearly establishes what is being contrasted with play, typically highlighting seriousness or importance. For clarity, follow it with a concrete example of what it entails in the context.
Common error
Avoid using "is not play" when a simpler, more direct statement of seriousness would suffice. Overusing the phrase can dilute its impact, consider stronger alternatives like "is critical" or "is vital".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is not play" functions as a predicate nominative, renaming or defining the subject. Ludwig confirms its usability. It serves to emphasize that a situation or action is serious and should not be treated lightly.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is not play" is a grammatically correct expression used to emphasize the seriousness of a situation. Ludwig confirms its usability. It serves to communicate that a particular matter should not be taken lightly. Though relatively rare, the phrase appears in various contexts, particularly in news and media. For alternative expressions, consider "is not a game" or "is not for fun", depending on the nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is not a game
Emphasizes the lack of lightheartedness or amusement, highlighting a serious situation.
is not for fun
Directly states that something lacks entertainment value and is intended for serious purposes.
is not kidding
Highlights the sincerity and earnestness of a statement or action.
is not joking
Similar to "is not kidding", indicating a serious and sincere demeanor.
is not trifling
Conveys that something is significant and should not be taken lightly.
is not messing around
Suggests a determined and purposeful approach, devoid of frivolous actions.
is not child's play
Indicates that something is difficult or challenging, not suitable for inexperienced individuals.
is not a laughing matter
Stresses the gravity of a situation and discourages humor or levity.
is not a trivial matter
Underscores the importance and significance of a particular issue.
is not something to play with
Highlights the potential danger or sensitivity of a topic or object.
FAQs
When is it appropriate to use the phrase "is not play"?
The phrase "is not play" is appropriate when you want to emphasize the serious or non-frivolous nature of a situation, contrasting it with something that might be perceived as lighthearted or trivial. It's often used to highlight the importance or potential consequences of something.
What can I say instead of "is not play" to convey a similar meaning?
You can use alternatives like "is not a game", "is not for fun", or "is not kidding" depending on the specific context.
How can I use "is not play" in a sentence effectively?
To use "is not play" effectively, ensure that the context makes it clear what is being contrasted with playfulness. For example, "This negotiation is serious; it is not play." This emphasizes the importance and potential consequences of the negotiation.
Is "is not play" formal or informal?
The phrase "is not play" is generally considered neutral and is acceptable in both formal and informal contexts, although more formal alternatives might be preferred in strictly professional settings, consider using alternatives such as "is not a trivial matter".
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested