billboard /ˈbɪlˌboɹd/noun 5verb 1forms 3 noun5 •A very large outdoor sign, generally used for advertising.He could see it like a printed sentence, fullborn and already dead God loves me too like the faded and weathered letters on last year's billboard God loves me too — 1932 •(old-fashioned) A flat surface, such as a panel or fence, on which bills are posted; a bulletin board.When a show leaves New York, it carries posters wherewith to embellish each fence and bill board in the land [...] — 1902 •An opening or closing portion of a program, often including credits and sponsors' names.The closing billboard features Como as the spokesman. — 1975 •A sprite that always faces the screen, no matter which direction it is viewed from. •A piece of thick plank, armed with iron plates, and fixed on the bow or fore-channels of a vessel, for the bill or fluke of the anchor to rest on. verb1 •To advertise on a billboard.The upcoming concert was billboarded all over the city. formsbillboarded · billboarding · billboards