Merciless
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
Merciless and sadistic are semantically related in callous topic. You can use "Merciless" instead an adjective "Sadistic".
Mutual synonyms
Related pairs
Both words in one sentence
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Also, she's a merciless and sadistic Wife-Basher Basher (and Diabolik will help).
Source: Comic Book / Diabolik -
Alternatively some of his physical mannerisms, the snake-related nickname, and the heel persona of being sadistic and merciless could be seen as a nod to Jake "The Snake" Roberts (who, incidentally, had a hand in his training).
Source: Wrestling / Randy Orton - Keep in mind that this is a typically merciless, ruthless, and at times sadistic Sith Lord that we're talking about here.
Source: Literature / Revan
Cite this Source
Sadistic and Merciless. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/merciless/sadistic
Merciless & Sadistic. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/merciless/sadistic>.
Sadistic or Merciless. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/merciless/sadistic.
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