To vilify someone or something is to say or write very harsh and critical things about them. The word is a synonym of defame.

// They were vilified in the press for their comments.

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“The eagerness to vilify ‘the other side’—usually on social media—complicates the less reactionary work that defines our mission.” — Jerry Brewer, The Washington Post, 11 June 2024

It seems reasonable to assume that the words vilify and villain come from the same source; after all, to vilify someone is—in some ways—to make them out to be a villain. Such is not the case, however. Although the origin stories of both vilify and villain involve Latin, their roots are quite different. Vilify came to English (via Middle English and Late Latin) from the Latin adjective vilis, meaning “cheap” or “vile.” Someone who has been vilified, accordingly, has had their reputation tarnished or cheapened in such a way that they’re viewed as morally reprehensible. Villain on the other hand, comes from the Medieval Latin word villanus, meaning “villager,” and ultimately from the Latin noun villa, meaning “house.” The Middle English descendent of villanus developed the meaning of “a person of uncouth mind and manners” due to the vilifying influence of the aristocracy of the time, and the connotations worsened from there until villain came to refer to (among other things), a deliberate scoundrel.