Definition of "first and last" in English

Adjective

1. only

   • This is the first and last time I'm doing this.

Noun

1. A person's combined given name and surname.

   • Hi, Yes, I'm here to register as a new primary care patient. OK, I'll have you fill out a form on this digital tablet, but first I need your first and last, date of birth, and the last four of your social [the ending digits of an identification number].

Adverb

1. altogether; wholly

   • He is a gentleman, first and last.