Entry 1 sense Webster, 1913 Vulgarization /vŭlˌ-gẽr-ĭz-āsh'-ən/ · Vul·gar·i·za·tion · IPA /vˌʌlɡərɪzˈeɪʃən/ 01 n. The act or process of making vulgar, or common. 1. The act or process of making vulgar, or common.