53 entries under merciless topic. ×

1
relentless(adjective, evil, nasty, harsh, violent)
1
revengeful(adjective, evil, nasty, harsh, vicious)
1
spiteful(adjective, evil, nasty, harsh, vicious)
1
tyrannical(adjective, evil, nasty, harsh, vicious)
1
unkind(adjective, evil, nasty, harsh, vicious)
1
unnatural(adjective, evil, nasty, harsh, vicious)
1
unrelenting(adjective, evil, nasty, harsh, violent)
1
vengeful(adjective, evil, nasty, harsh, vicious)
1
virulent(adjective, evil, nasty, harsh, vicious)
0
callous(adjective, evil, nasty, harsh, vicious)
0
mean(adjective, nasty, unkind, pitiless, malicious)
0
nasty(adjective, evil, vile, unkind, pitiless)
0
vindictive(adjective, nasty, unkind, pitiless, malicious)
<123>
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APASmart Define. (2015). demoniac thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/demoniac/thesaurus/synonyms
ChicagoSmart Define. 2015. "demoniac thesaurus" https://smartdefine.org/demoniac/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, demoniac thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/demoniac/thesaurus/synonyms>.
MLASmart Define. "demoniac thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/demoniac/thesaurus/synonyms>