Malignant
Sadistic
Sadistic adjective - Having or showing the desire to inflict severe pain and suffering on others.
Usage example: the troubled youth is being treated by a psychotherapist for his sadistic urges to hurt animals
Malignant and sadistic are semantically related. Sometimes you can use "Malignant" instead an adjective "Sadistic".
Mutual synonyms
Related pairs
Both words in one sentence
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Alice Morgan from Luther is profiled by Luther as a malignant narcissist, a nasty subset of narcissism that includes sadistic and antisocial elements.
Source: Narcissist -
Now, every time any animal above the level of "bug" dies it is possessed with a malignant, sadistic demon with one purpose: kill more creatures and let more of its buddies into the world.
Source: Zombie Apocalypse - The most notable example is Villain Protagonist Alice Morgan, whom Luther diagnoses as a malignant narcissist, a particularly nasty condition that combines narcissistic, antisocial, and sadistic behaviour into one vicious package.
Source: Sadist
Cite this Source
Sadistic and Malignant. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/malignant/sadistic
Malignant & Sadistic. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/malignant/sadistic>.
Sadistic or Malignant. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/malignant/sadistic.
Google Ngram Viewer shows how "malignant" and "sadistic" have occurred on timeline