187 entries under adjective topic. ×

31
merciless(mean, hard, kind, tough)
26
ruthless(mean, hard, tough, severe)
24
cruel(mean, severe, harsh, violent)
23
pitiless(mean, hard, kind, tough)
17
unpitying(noun, mean, severe, harsh)
16
callous(mean, severe, harsh, cruel)
16
heartless(mean, severe, harsh, cruel)
16
remorseless(mean, hard, kind, severe)
15
brutal(mean, severe, harsh, violent)
15
unfeeling(mean, severe, harsh, cruel)
14
uncompassionate(mean, hard, tough, harsh)
13
hard(mean, tough, severe, harsh)
13
relentless(mean, hard, tough, severe)
12
harsh(mean, hard, tough, severe)
11
cutthroat(mean, severe, harsh, cruel)
11
hardhearted(mean, severe, harsh, cruel)
11
unforgiving(mean, hard, tough, severe)
11
unkind(mean, severe, harsh, cruel)
9
cold-blooded(mean, harsh, cruel, vicious)
9
hard-hearted(mean, hard, tough, harsh)
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APASmart Define. (2016). unmerciful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>