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
all but one
Grammar usage guide and real-world examplesUSAGE SUMMARY
"all but one" is correct and usable in written English.
You can use it to indicate that out of a group of people or things, only one is not included. For example: "I invited all of my friends to the party, all but one of whom I had known for years."
✓ Grammatically correct
News & Media
Science
Academia
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
59 human-written examples
(b) All but one.
News & Media
All but one failed.
News & Media
All but one neonate received parenteral nutrition.
All but one site exceeded this target.
Check that: all but one.
News & Media
All but one was beheaded.
News & Media
All but one are women.
News & Media
All but one, it seems.
News & Media
All but one had garages.
News & Media
He rejected all but one.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Throw out all but one credit card.
Wiki
Expert writing Tips
Best practice
When using "all but one", ensure the context clearly defines the group being referenced to avoid ambiguity.
Common error
Avoid using "all but one" when the 'all' is not clearly defined or easily understood by the reader, as this can lead to confusion about what is being excluded.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "all but one" functions as a determiner phrase or quantifier, modifying a noun or pronoun to indicate that everything or everyone is included except for one specific item or person. Ludwig examples show how the phrase is used to specify a quantity with a single exception.
Frequent in
News & Media
39%
Science
37%
Academia
12%
Less common in
Wiki
8%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, "all but one" is a versatile phrase used to indicate that nearly everything or everyone is included, with only a single exception. Ludwig confirms its grammatical correctness and wide applicability across various contexts, from news and science to academia. While alternatives like "nearly all" or "with one exception" exist, "all but one" strikes a balance between informality and precision. When using this phrase, ensure that the scope of 'all' is clear to avoid any ambiguity. Based on Ludwig's data, "all but one" is a common and accepted way to express near-total inclusion.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
everything but one
Emphasizes the totality of inclusion before noting the single exclusion, drawing attention to the comprehensive nature of the inclusion.
all with a single exception
Similar meaning, but it is more formal and emphasizes the 'all' more than the exception.
with one exception
Highlights the presence of an exception but frames it as a qualification to a general statement, more formal.
save for one
Indicates an exception by setting it aside, suggesting a sense of deliberate exclusion or consideration.
almost all
Indicates that everything except a very small number is included, implying a near-complete inclusion rather than focusing on the exception.
barring one
Introduces an exception as a condition, creating a more legalistic or formal tone.
excepting one
Highlights the act of excluding a single item, drawing focus to the process of differentiation.
nearly everyone
Focuses on people, implying that the vast majority are included, shifting the emphasis from the exception to the inclusion.
but for one
Implies a conditional exclusion, suggesting that the exception has a significant impact or role in the overall situation.
minus one
Presents the exclusion in a subtractive way, emphasizing the reduction from a complete set.
FAQs
How can I use "all but one" in a sentence?
Use "all but one" to indicate that everyone or everything in a group is included, except for a single entity. For example, "All but one of the team members attended the meeting".
What's a more formal way to say "all but one"?
In more formal contexts, consider using phrases like "with one exception" or "save for one".
Is "all but one" grammatically correct?
Yes, "all but one" is grammatically correct and commonly used in both formal and informal writing, as confirmed by Ludwig.
What alternatives are there for "all but one"?
Alternatives include phrases such as "nearly all", "almost all", or "everything but one", depending on the specific nuance you want to convey.
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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