Meanings
How to pronounce "on a first-name basis":
AU
Having enough familiarity with another person to call them by their first name, as opposed to their surname.
Example: "We are not yet on a first-name basis."
Example Sentences
1
I've known my neighbor for years, and we're on a first-name basis.
2
The employees and the CEO are all on a first-name basis.
3
Since we work closely together, we're on a first-name basis.
4
After attending several conferences together, we became on a first-name basis.
5
The regular customers and the waitstaff are on a first-name basis.