Used and loved by millions
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
but not if
Grammar usage guide and real-world examplesUSAGE SUMMARY
"but not if" is a correct and usable part of a sentence in written English.
You can use it to express a contrast or exception between two ideas, for example: "I'd like to go to the beach, but not if it's raining."
✓ Grammatically correct
News & Media
Alternative expressions(20)
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
60 human-written examples
But not if you call in.
News & Media
But not if you are quadriplegic.
News & Media
But not if it comes through touch.
News & Media
Yes – but not if things go wrong.
News & Media
But not if you're gay.
News & Media
But not if you're "stoned".
News & Media
But not if you have a Central Station.
News & Media
But not if Sensicore can help it.
News & Media
But not if Barcelona get there first!
News & Media
"But not if the price goes up".
News & Media
But not if Henderson can help it.
News & Media
Expert writing Tips
Best practice
Use "but not if" to introduce a specific condition that negates the preceding statement, ensuring clarity in expressing exceptions.
Common error
Avoid using "but not if" in overly complex sentences where the condition is unclear. Simplify the sentence structure to ensure the exception is easily understood.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but not if" functions as a conditional conjunction, introducing a condition that must be met for the preceding statement to be invalid. It creates an exception or limitation, as demonstrated in the examples provided by Ludwig.
Frequent in
News & Media
79%
Formal & Business
10%
Wiki
3%
Less common in
Science
3%
Academia
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "but not if" is a versatile and frequently used phrase that introduces a condition or exception to a preceding statement. As confirmed by Ludwig, it is grammatically correct and serves to qualify or limit the scope of an assertion. Predominantly found in news and media contexts, this phrase maintains a neutral tone suitable for diverse audiences. When using "but not if", ensure clarity by avoiding complex sentence structures that could obscure the intended condition. While alternatives like "unless" or "except when" exist, "but not if" offers a straightforward means of expressing conditional exceptions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unless
This word introduces a condition that must be true for the main clause not to occur, similar to "but not if".
except when
This alternative focuses on the exception to a rule or statement, similar to "but not if".
save when
Indicates an exception or reservation, similar to "but not if".
except in the case that
This phrase clearly specifies an exception, providing a more formal alternative to "but not if".
with the exception of when
This phrase explicitly states that there is an exception to a general rule.
however, not when
Adds a contrast with a specific condition, emphasizing the exception.
apart from when
This expression denotes a specific exception, offering a slightly different structure than "but not if".
yet only if
This expression sets a strict condition that must be met.
excluding the instance that
Provides a formal way to exclude a particular situation, similar to making an exception.
notwithstanding if
Expresses that something is true despite a particular condition, akin to "but not if".
FAQs
How can I effectively use "but not if" in a sentence?
Use "but not if" to introduce a condition that creates an exception to a previous statement. For example: "I'll go to the party, "but not if" it rains."
What are some alternatives to "but not if"?
Alternatives include "unless", "except when", or "except in the case that", depending on the formality and context.
Is "but not if" considered formal or informal?
"But not if" is generally considered neutral and suitable for most contexts. More formal alternatives, such as "except in the case that", may be preferred in academic or professional writing.
Can "but not if" be used at the beginning of a sentence?
While grammatically possible, starting a sentence with "but not if" can sound awkward. It's generally better to integrate it within the sentence following the initial statement that it modifies.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested