Unnamed things have not been given a name. unnamed comets and asteroids. an unnamed person, place, or thing has been mentioned but not referred to by name
being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
Unnamed people or things are talked about but their names are not mentioned. An unnamed man collapsed and died while he was walking near Dundonald The cash comes from an unnamed source