Heartless
Heartless adjective - Having or showing the desire to inflict severe pain and suffering on others.
Usage example: his heartless whipping of runaway slaves virtually to the point of death shocked even other slave owners
Sadistic is a synonym for heartless. In some cases you can use "Sadistic" instead an adjective "Heartless".
Nearby Words: heart, heartlessly
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
Heartless is a synonym for sadistic in callous topic. You can use "Heartless" instead an adjective "Sadistic".
Mutual synonyms
Related pairs
Both words in one sentence
- They range from the technically sane but extremely sadistic and heartless to people with almost no grip on reality whatsoever.
Source: Ax Crazy / Live-Action TV -
Pet the Dog: As manipulative, sadistic and heartless Houzuki is for most of the story, he has his moments: The best of which occur at the end.
Source: Visual Novel / Sharin No Kuni - John Cleese said the scene would be heartless and sadistic if not for the fact that the knight shows no pain and doesn't really care what happens.
Cite this Source
Sadistic and Heartless. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/heartless/sadistic
Heartless & Sadistic. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/heartless/sadistic>.
Sadistic or Heartless. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/heartless/sadistic.
Google Ngram Viewer shows how "heartless" and "sadistic" have occurred on timeline