first and last adjective 1adverb 1noun 1forms 1 adjective[before a noun]1 •onlyThis is the first and last time I'm doing this. adverb1 •altogether; whollyHe is a gentleman, first and last. noun1 •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]. formsfirsts and lasts