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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
an extra one
Grammar usage guide and real-world examplesUSAGE SUMMARY
'an extra one' is correct and usable in written English.
You can use it when you want to refer to an additional item or amount of something. For example: "I bought an extra one of these sweaters just in case."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Formal & Business
Academia
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
The N.C.A.A. gives a special sanction because the game is an extra one on the teams' schedules, beyond the 11 usually allowed.
News & Media
I keep an extra one of these on hand in my car and at home.
News & Media
"Somebody slipped me an extra one".
News & Media
Get an extra one for the road.
News & Media
You got an extra one if you dropped your quarter in right".
News & Media
We're blessed already that this year there will be an extra one," he said.
News & Media
And the other inescapable truth was, I did have an extra one.
News & Media
She may have an extra one or two to add one to the collection.
News & Media
We could kind of do with an extra one in fact.
News & Media
When left parties collapse, instead of losing a party, you get an extra one.
News & Media
Vrana and Roussel scrapped behind the net and both were assessed roughing minors, though Roussel got an extra one.
News & Media
Expert writing Tips
Best practice
Use "an extra one" when you want to emphasize the availability of an additional item beyond the standard or required amount. For instance, "I always keep "an extra one" in my bag in case I need it."
Common error
While similar, "another one" simply indicates a further item, whereas "an extra one" emphasizes a surplus or reserve. Use "an extra one" when the additional item is more than what's immediately necessary.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an extra one" functions as a determiner phrase, specifying an additional, often non-essential, item or unit. Ludwig examples show it modifying nouns, such as in the context of having "an extra one" of something on hand or receiving "an extra one" of something desired. Ludwig AI confirms its correct and usable form in written English.
Frequent in
News & Media
55%
Science
15%
Formal & Business
10%
Less common in
Academia
8%
Encyclopedias
7%
Wiki
5%
Ludwig's WRAP-UP
In summary, the phrase "an extra one" is a versatile and common expression used to denote an additional or surplus item. As Ludwig AI confirms, it is grammatically sound and suitable for various contexts. While alternatives like "an additional one" or "a spare one" exist, "an extra one" clearly communicates abundance or preparedness. It is used frequently in news, media, and scientific contexts, making it appropriate for both formal and informal communication. Remember to use it when emphasizing that something is beyond what is immediately needed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an additional one
Replaces "extra" with "additional", maintaining the same meaning of something being added.
a supplementary one
Substitutes "extra" with "supplementary", indicating something that completes or enhances something else.
a spare one
Uses "spare" instead of "extra", suggesting it's available for use if needed.
another one
Simplifies the phrase, generally interchangable but less emphasis on the surplus meaning.
an excess one
Replaces "extra" with "excess", implying there's more than what's required.
a surplus one
Substitutes "extra" with "surplus", suggesting an amount beyond what is necessary.
a redundant one
Uses "redundant", indicating that it is not needed or useful.
a backup one
Uses "backup" instead of "extra", indicating it's available as a reserve.
an auxiliary one
Replaces "extra" with "auxiliary", indicating it provides additional help or support.
a second one
Indicates an additional item, focusing on its sequential nature.
FAQs
How can I use "an extra one" in a sentence?
You can use "an extra one" to indicate having an additional item or unit beyond what is needed or expected. For example, "I brought "an extra one" in case someone forgets theirs."
What's a good alternative to saying "an extra one"?
Depending on the context, you might use phrases like "an additional one", "a spare one", or "a backup one". Each implies having something more than what is immediately required.
Is it ever incorrect to use "an extra one"?
While generally correct, avoid using "an extra one" if the context requires a more specific term. For instance, if you need two additional items, saying "two extra" might be clearer.
What is the difference between "an extra one" and "another one"?
"An extra one" typically implies there's already enough, and this is something beyond that, while "another one" simply means one more. If you have two apples and want a third, you'd ask for "another one". If you have enough apples and someone offers you a third, that's "an extra one".
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested