on a first-name basis

idiom

Definition of on a first-name basis

US
: having a close personal relationship where each person addresses the other by their first name He was on a first-name basis with his boss. They know most of the officials on a first-name basis. sometimes used figuratively to describe something that one is familiar with or accustomed to She was on a first-name basis with adversity.

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on a first-come, first-served basis

on a first-name basis

on a friendly basis

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Cite this Entry

“On a first-name basis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20first-name%20basis. Accessed 29 Jul. 2021.

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