a spare one

USAGE SUMMARY

The phrase "a spare one" is correct and usable in written English.
It can be used when referring to an additional or extra item that serves as a backup or alternative. Example: "I always keep a spare one in my bag in case my main phone charger fails."

✓ Grammatically correct

News & Media

Wiki

Academia

Human-verified examples from authoritative sources

Exact Expressions

18 human-written examples

Thanks to the hydrogel, he could grow a spare one on his lower arm, which was then sown to his head.

Vice

Having around 3 copies will be good so you can keep one in your bag, one on your cork board and a spare one just in case you lose your other one from school.

WikiHow

If you have a lock and key to your locker put your key somewhere safe, if you lose it the school office will probably have a spare one with your name on it.

WikiHow

I meditate wherever and whenever I have a spare one to five minutes — before a meeting, in a Lyft on my way to an investor pitch, on my walk home from work — and yes, we have meditations for all of these!

Forbes

After that he always carried a spare one.

The Guardian

It wouldn't need a spare one stuck in the top like a martini toothpick.

The New York Times - Arts

Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

In the uproar that followed over the rigors of his research, Mr. L? on Tuesday summed up his situation with a spare, one-sentence e-mail: "My source of information is books, not Wikipedia".

The New York Times

In his majority opinion, Justice Thomas offered a spare one-paragraph description of the facts of the two cases, Aetna Health Inc. v. Davila, No. 02-1845, and Cigna HealthCare of Texas Inc. v. Calad, No. 03-83.

The New York Times

Not only does this mean you don't have to worry about driving on a temporary tire, but it means Audi made the effort to think about what it's like to be stuck with a temporary spare on one's car.

Forbes

Nobody dons a helmet ― though there were a few spare ones sitting idle inside an armored car ― and only a few wore beat-up flak jackets.

Huffington Post

If you have a few hours to spare one weekend between now and Christmas, use them to make a gingerbread house.

The Guardian - Lifestyle

Expert writing Tips

Best practice

When using "a spare one", ensure the context clearly indicates what the "one" refers to. This avoids ambiguity and ensures clarity in your writing.

Common error

While grammatically sound, "a spare one" can sound informal in certain professional or academic settings. Consider using alternatives like "an additional item" or "a backup unit" for a more polished tone.

Linguistic Context

The phrase "a spare one" functions as a noun phrase, typically serving as the object of a verb or preposition. It refers to an additional or reserve item. According to Ludwig AI, it is grammatically correct.

Expression frequency: Common

Frequent in

News & Media

46%

Wiki

32%

Academia

9%

Less common in

Science

9%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "a spare one" is a grammatically correct and commonly used noun phrase to indicate an extra or backup item. As confirmed by Ludwig AI, its function is to convey the availability of an additional item, emphasizing preparedness. While it's versatile, it tends to lean towards a neutral to informal register and might require more formal alternatives in certain professional or academic contexts. Predominantly found in news and media as well as wiki sources, its usage should be guided by the intended audience and context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

an extra one

Replaces "spare" with "extra", emphasizing that it's additional.

a backup one

Highlights the function as a reserve in case the primary one fails.

an additional one

More formal alternative, suitable for professional contexts.

a replacement one

Implies it's intended to substitute for a damaged or lost item.

a second one

Simple and direct, useful when the quantity is limited to two.

a reserve one

Emphasizes that it is kept in reserve for future use.

an alternate one

Suggests it is used as an alternative to the primary item.

a substitute one

Implies it functions as a temporary replacement.

a fallback one

Similar to backup, emphasizing reliability in case of failure.

a supplementary one

Formal, indicating that it adds to what already exists.

FAQs

How can I use "a spare one" in a sentence?

You can use "a spare one" to refer to an extra item that is available for use if needed, such as, "Always carry a spare one in case your pen runs out of ink".

What's a simple substitute for "a spare one"?

A simple substitute for "a spare one" is "an extra one", which conveys the same meaning in most contexts.

When is it best to use "a spare one" over other alternatives?

"A spare one" is best used in informal contexts or when the availability of an extra item is being emphasized for convenience or preparedness. Consider a slightly more formal term such as "a replacement one" or "an additional one" for formal settings.

What's the difference between "a spare one" and "a backup one"?

While both phrases refer to an extra item, "a spare one" suggests general availability, while "a backup one" explicitly implies that the item is intended as a reserve in case the primary item fails or is unavailable.