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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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fifteen

Grammar usage guide and real-world examples

USAGE SUMMARY

The word 'fifteen' is correct and commonly used in written English.
It is typically used to refer to the number 15, and can be used in any context where this number is relevant. Example: "The student received fifteen out of twenty on the exam, indicating a strong understanding of the material."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

55 human-written examples

What did McAllen doctors do fifteen years ago?

News & Media

The Economist

But the fact that more than fifteen per cent of personal consumption expenditures now go to medical care, when in 1930 only three per cent of personal consumption did, isn't a reflection of frivolity, and that's not going to change any time soon.

News & Media

The Economist

There's good food on site, or you can nip around the corner to Fifteen or The Beach Hut, then take a walk in the bay or on the South West Coast Path.

"It used to be a true blue seat, so actually the transition from Conservative to Liberal Democrats showed that there was a change there anyway, and that's just to do with the very sharp increase in public sector employment in South Yorkshire over the past ten or fifteen years".

News & Media

The Guardian

Fifteen minutes away from the spruced-up centre of Lille, around the Gambetta metro station, you could be in any deprived town in the north of England.

News & Media

The Guardian

Fifteen years later, I've learned that there's nothing uglier in nature than the naked middle-aged male.

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Human-verified similar examples from authoritative sources

Similar Expressions

5 human-written examples

This means that iodine emitted thirty two days ago has by now lost fifteen-sixteenths of its radioactivity).On the basis that simplifying eases communication the INES scale runs together scale and consequence but good policy can to some extent separate them, and in Japan it seems to have done so.

News & Media

The Economist

Defecting soldiers and frustrated civilians are pushing up the death toll, killing members of the security forces and pro-regime thugs known as the shabiha .I do have one," says a fifteen-year-old boy from one of the towns near Damascus, showing off his new plastic gun and its tiny sugary pellets.

News & Media

The Economist

Fifteen-year-old me, suspended from school for having pink hair, waiting angrily for something to rebel against, would have our head in her hands to see that now we're, well, just some mum.

When Portland last had such options, the club put together a fifteen-game unbeaten run that took the Timbers to the top of the Western Conference.

Fifteen-year-old Robert said vigilante groups had expanded in his city following the new legislation.

News & Media

The Guardian

Expert writing Tips

Best practice

When writing about quantities, be consistent in your use of numerals or words (e.g., always use "15" or always use "fifteen" within the same document).

Common error

Avoid using "fifteen" with singular nouns. Ensure the noun it modifies is plural to maintain grammatical accuracy.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

93%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "fifteen" is as a numeral, specifically a cardinal numeral, used to quantify nouns. As demonstrated by Ludwig, it expresses a specific numerical value.

Expression frequency: Very common

Frequent in

News & Media

63%

Formal & Business

19%

Science

18%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The term "fifteen" is a commonly used and grammatically correct numeral that represents the quantity of 15. As Ludwig AI confirms, it's widely used in varied contexts, including news, formal writing, and scientific publications. Predominantly featured in News & Media, and other professional spheres. When using "fifteen", ensure correct numeral agreement with plural nouns. For alternative phrasing, consider "a quantity of fifteen" or "a total of fifteen" to adjust the emphasis. While numerals (15) are suitable for data-heavy content, spelling it out often fits better in general prose.

FAQs

How do I use "fifteen" in a sentence?

"Fifteen" is used to specify a quantity of 15. For example, "There are fifteen students in the class."

What is the difference between "fifteen" and "fifteenth"?

"Fifteen" is a cardinal number indicating quantity, while "fifteenth" is an ordinal number indicating position in a sequence. For instance, "fifteen days" versus "the fifteenth day".

When should I use the numeral 15 instead of spelling out "fifteen"?

Use numerals (15) for data-heavy contexts like tables or statistics, and spell out "fifteen" in general prose, especially when it begins a sentence. Style guides like AP or Chicago offer specific recommendations.

Are there alternative ways to describe a quantity of fifteen?

You could say "a quantity of fifteen", "a total of fifteen", or "approximately fifteen" depending on the context and level of precision required.

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Source & Trust

93%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: