dæmonize

Verb

demonize (third-person singular simple present demonizes, present participle demonizing, simple past and past participle demonized)

1. (transitive) To turn into a demon.

   Synonyms:

   demonify, diabolize

   Antonyms:

   angelify, angelize

2. (figuratively, transitive) To describe or represent as evil or diabolic, usually falsely.
   • President Trump has seized on the response in the streets to police brutality against Black men and women to bolster his re-election campaign, employing provocative and sometimes incendiary language and images to incite his followers, demonize his opponents or both.2020 September 1, Peter Baker, “Trump has a long history of language that incites and demonizes.”, in The New York Times, archived from the original on 08 Sep 2020

   Synonyms:

   monster, monsterize, vilify, villainize, assassinate, asperse, backbite, badmouth, befoul, belibel