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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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plus one

Grammar usage guide and real-world examples

USAGE SUMMARY

"plus one" is a correct and usable phrase in written English.
You can use it in informal writing when you want to add an additional person (or thing) to a list, e.g. "I'm bringing my friends Robert, Sarah, and plus one."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

"Time: Plus Twelve.

News & Media

The New Yorker

"Kate Eric: One Plus One Minus One".

News & Media

The New York Times

One plus one equals zero.

News & Media

The New York Times

One plus one is two.

News & Media

The New Yorker

He was the plus one.

Six steps plus one step = seven steps.

It is an ensemble piece plus one and Evans is very much the plus one.

News & Media

The Guardian
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

4 human-written examples

A plus-one format?

News & Media

The New York Times

Paul We each get a plus-one.

News & Media

The New York Times

Four hundred, all with a plus-one.

News & Media

The New Yorker

Depression was identified by diagnosis code plusone antidepressant prescription.

Expert writing Tips

Best practice

When using "plus one" in invitations, clearly state whether guests are allowed to bring a "plus one" to avoid confusion. For instance, include "Individual tickets only, no plus ones" or "Each invite admits you and a plus one."

Common error

Avoid automatically assuming everyone wants to bring a "plus one". Some people prefer attending events solo. Always clarify if bringing a guest is optional, not expected.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "plus one" functions primarily as a noun phrase, denoting an additional person invited to an event or a numerical increment. Ludwig confirms its acceptability in written English. It modifies the quantity or attendance, indicating an extra individual.

Expression frequency: Very common

Frequent in

News & Media

70%

Science

15%

Formal & Business

5%

Less common in

Encyclopedias

3%

Wiki

2%

Social Media

1%

Ludwig's WRAP-UP

In summary, "plus one" is a common and generally accepted phrase used to indicate an additional guest or numerical increment. As verified by Ludwig, it is grammatically correct and widely used across various contexts, primarily in news and media. While its register leans toward neutral to informal, more formal alternatives like "additional guest" may be preferred in professional settings. Use "plus one" confidently in invitations or general discussions about additions, but clarify its intended meaning to avoid confusion. Remembering these best practices ensures clear and effective communication.

FAQs

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

You can use "plus one" to indicate an additional guest or item. For example, "Each member can bring a "plus one" to the event" or "The formula requires variable X "plus one" for accurate calculation".

What is another way to say "plus one"?

Alternatives to "plus one" include "additional guest", "extra person", or "a companion", depending on the context.

Is it correct to use "plus one" in formal writing?

While "plus one" is widely understood, it is generally considered informal. In formal writing, it is better to use more precise language such as "additional guest" or "an accompanying person".

What does it mean when an invitation says "plus one"?

When an invitation includes "plus one", it means you are invited and are welcome to bring one guest with you. However, be sure to RSVP for both yourself and your "plus one".

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Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: