passivize Syllabification: (pas·siv·ize)Pronunciation: /ˈpasəˌvīz/Definition of passivize verb [with object] Grammar convert (a verb or clause) into the passive form:a sentence that has been passivizedDerivatives passivizablePronunciation: /-əbəl/ adjective passivizationPronunciation: /ˌpasəvəˈzāSHən/ noun passivize in other Oxford dictionaries Definition of passivize in the British & World English dictionary