preem /pɹiːm/noun 2verb 1forms 3 noun2 •(informal) The premiere of a film.This year, the London terpsters are offering only two of their famous full-lengthers, Swan Lake and Sleeping Princess, altho their own two-act version of Giselle will get a preem unveiling here. — 1950 •(informal) A prime minister. verb1 •(informal) To premiere.All but the Radio City Music Hall preemed new shows. — 1948 formspreemed · preeming · preems