metonymic /ˌmɛt.əˈnɪm.ɪk/adjective 1noun 1forms 3 adjective1 •Of, or relating to, a word or phrase that names an object from a single characteristic of it or of a closely related object.The British government is often referred to by the metonymic expression "Downing Street". noun1 •Synonym of metonym, an instance of metonymy. formsmetonymics · more metonymic · most metonymic