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on a first-name basis

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'on a first-name basis' is correct and usable in written English.
This phrase is used to indicate that two people know each other well enough to use each other's first name. For example, "My boss and I are on a first-name basis, so I call him by his first name."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

45 human-written examples

Diners are often greeted at the door by one of the owners, and regulars are on a first-name basis.

News & Media

The New York Times

Because, basically, he's the devil — or at least on a first-name basis with the malevolent one.

News & Media

Los Angeles Times

They are on a first-name basis.

News & Media

The New York Times

* You're on a first-name basis with Carolyn Farb.

"It's pretty much on a first-name basis.

News & Media

The New York Times

She is famous on a first-name basis.

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Human-verified similar examples from authoritative sources

Similar Expressions

13 human-written examples

Clearly they are not on a first name basis with the concept of homophones.

Hell, we're on a first name basis with the FedEx man.

News & Media

TechCrunch

You were on a first name basis.

News & Media

Huffington Post

Why would we not be on a first name basis?

News & Media

Huffington Post

We have been on a first name basis for years.

News & Media

Huffington Post
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Expert writing Tips

Best practice

Use "on a first-name basis" to clearly indicate a level of familiarity and informality in a relationship. This is especially useful when contrasting it with more formal interactions.

Common error

Avoid using "on a first-name basis" in highly formal or professional contexts where maintaining a degree of distance is important. Assess the appropriateness of using first names before assuming familiarity.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "on a first-name basis" functions as a prepositional phrase modifying a verb or noun. It typically describes the nature of a relationship between people, indicating a level of familiarity and informality. As confirmed by Ludwig, the phrase is both correct and widely used.

Expression frequency: Very common

Frequent in

News & Media

75%

Formal & Business

10%

Wiki

7%

Less common in

Science

3%

Encyclopedias

3%

Reference

2%

Ludwig's WRAP-UP

The phrase "on a first-name basis" is a common and grammatically correct prepositional phrase used to describe a relationship characterized by informality and familiarity. According to Ludwig, it is suitable for use in various contexts, predominantly in news and media, and generally considered neutral to informal in register. When using this phrase, it's important to consider the level of formality required by the setting and ensure that the use of first names is appropriate and welcomed. As showcased by Ludwig examples, the phrase is a straightforward way to communicate a comfortable and friendly dynamic between individuals.

FAQs

How can I use "on a first-name basis" in a sentence?

You can use "on a first-name basis" to describe a relationship where people address each other informally, such as: "The staff at the local coffee shop are so friendly; I'm "on a first-name basis" with most of them."

What does it mean to be "on a first-name basis" with someone?

Being "on a first-name basis" with someone means you know them well enough to use their first name when addressing them. It implies a level of familiarity and informality in the relationship.

Are there situations where it's inappropriate to be "on a first-name basis"?

Yes, it can be inappropriate in formal settings or when interacting with someone in a position of authority, unless they explicitly invite you to use their first name. Maintaining a respectful distance is crucial in such situations.

What are some alternatives to saying I'm "on a first-name basis" with someone?

You could say you are "on familiar terms", "know each other personally", or simply that you know them well, depending on the specific context.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: