Dictionary.com
Thesaurus.com

on a first-name basis

Idioms  
  1. Quite familiar and friendly, as in Practically all the guests were on a first-name basis. This idiom alludes to the fact that using a person's given name betokens familiarity. [Second half of 1900s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He says he made several visits to A&E during attacks, to the point he was known on a first-name basis.

From BBC ● Aug. 23, 2026

He was quickly on a first-name basis with Paul Rudolph, the intimidating head of the school, and the influential art historian Vincent Scully.

From The Wall Street Journal ● Nov. 28, 2025

She’s a diminutive talent on a first-name basis with South Carolina coach Dawn Staley.

From Los Angeles Times ● Feb. 19, 2025

Murray hated flying and he hated New York, yet every big-name mixologist in the East Village seemed to know him on a first-name basis.

From Seattle Times ● Nov. 9, 2023

He and Traynor were now on a first-name basis.

From Nazi Saboteurs by Samantha Seiple

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training