439 entries under adjective topic. ×

46
cruel(appearance, mean, hard, tough)
42
ruthless(appearance, mean, hard, tough)
37
pitiless(mean, hard, kind, tough)
30
unmerciful(mean, hard, kind, tough)
29
brutal(mean, hard, tough, severe)
29
unfeeling(mean, hard, severe, evil)
27
heartless(mean, feeling, hard, tough)
24
savage(mean, hard, tough, rough)
24
uncompassionate(person, mean, hard, tough)
24
unkind(person, mean, hard, tough)
23
harsh(mean, hard, tough, severe)
23
inhuman(animal, mean, hard, tough)
22
unsympathetic(person, mean, hard, tough)
21
callous(person, mean, hard, tough)
21
hard(mean, tough, severe, evil)
20
inhumane(mean, hard, tough, severe)
18
barbarous(appearance, mean, hard, tough)
18
unforgiving(person, mean, hard, tough)
18
unrelenting(appearance, mean, hard, tough)
17
hard-hearted(mean, hard, tough, severe)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>