3rd person singular of the present indicative or 2nd person singular imperative of the verb to vulgarize it has two related meanings: do one thing, in the sense of some vulgar vulgar or elegant and moreover to disclose something, spread it, spread it so that it passes an intellectual elite to everyone. Comes from the Latin adjective vulgaris vulgare: vulgar, popular and East of the noun vulgus vulgui: people and populace