first-name

adjective

1. of or relating to one’s first, or given, name; familiar; intimate: They were on a first-name basis soon after meeting.

verb (used with object), first-named, first-nam·ing.

2. to address (someone) by his or her first name, especially as a sign of informality or familiarity: The boss doesn’t like the employees to first-name her.

noun

1. given name.

noun

1. a name given to a person at birth, as opposed to a surnameAlso called: Christian name, forename, given name