first name noun 2first-name verb 1forms 4 noun2 •The first element of a full name, particularly when it could also be surname in East Asian and other cultural traditions.In a structure typical for East Asia cultures, first names are usually used as family names. It usually identifies that person is a one of the members of a group (typically a family or clan) who have a common family name. •Synonym of given name, particularly when it forms the first element of a full name. first-name verb1 •(rare) To address (someone) by first name. formsfirst-named · first-naming · first-names · first names