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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a trio of

Grammar usage guide and real-world examples

USAGE SUMMARY

"a trio of" is correct and usable in written English.
You would use it when referring to a group of three persons or things. For example: "The three boys formed a trio of troublemakers."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

A trio of traits.

The State had a trio of lawyers.

News & Media

The New Yorker

A trio of jihadists is seen plotting.

News & Media

Independent

A trio of Englishmen were discussing cats.

News & Media

The New Yorker

A trio of drummers showed up.

News & Media

The New Yorker

What a trio of words.

News & Media

The Guardian

Still, a trio of one composer's symphonies!

A trio of new American operas.

News & Media

The New Yorker

It is a trio of wonderful performances.

A trio of crème brûlées escaped cliché.

News & Media

The New York Times

A trio of singles off this over.

Show more...

Expert writing Tips

Best practice

Use "a trio of" to add a touch of elegance or sophistication when referring to three items or people, especially in creative or descriptive writing. However, prefer "a group of three" in formal contexts.

Common error

Avoid using "a trio of" excessively in formal or technical writing where a more straightforward phrase like "three" or "a group of three" would be more appropriate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a trio of" functions as a determiner followed by a noun. It modifies the following noun, indicating that there are three of that noun. According to Ludwig, the phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

70%

Science

15%

Formal & Business

15%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "a trio of" is a grammatically sound and versatile phrase used to describe a group of three items or individuals. As Ludwig AI confirms, it's perfectly acceptable in written English. While it appears most frequently in news and media, its usage spans various contexts. For more formal settings, consider alternatives like "a group of three" or simply "three" to maintain a professional tone. Be careful not to overuse it in formal writing and make it sound repetitive. Top authoritative sources like The New York Times and The Guardian commonly employ this phrase, affirming its widespread acceptance.

FAQs

How do I use "a trio of" in a sentence?

You can use "a trio of" to describe any group of three things or people. For example, "a trio of musicians played at the event" or "a trio of experts analyzed the data".

What can I say instead of "a trio of"?

You can use alternatives like "a group of three", "a set of three", or simply "three" depending on the context.

Is "a trio of" formal or informal?

"A trio of" is generally considered to be a slightly more elevated or descriptive phrase than simply saying "three". It is suitable for most writing contexts but might be replaced by simpler phrasing in very formal or technical documents.

What is the difference between "a trio of" and "a triad of"?

While both "a trio of" and "a triad of" refer to a group of three, "a trio of" is more commonly used and widely understood. "A triad of" might be seen as more formal or technical.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: