apostrophize Syllabification: (a·pos·tro·phize)Pronunciation: /əˈpästrəˌfīz/Definition of apostrophize verb [with object] 1 Rhetoric address an exclamatory passage in a speech or poem to (someone or something). 2punctuate (a word) with an apostrophe. apostrophize in other Oxford dictionaries Definition of apostrophize in the British & World English dictionary