187 entries under adjective topic. ×

1
intransigent
1
iron-fisted(mean, severe, harsh, cruel)
1
ironfisted(mean, harsh, cruel, vicious)
1
killer(mean, harsh, cruel, vicious)
1
lupine(violent, cruel, vicious, fierce)
1
malevolent(mean, harsh, cruel, vicious)
1
malign
1
mean machine(expression, mean, severe, harsh)
1
nasty
1
predatory(violent, cruel, vicious, fierce)
1
rapacious(violent, cruel, vicious, fierce)
1
ravening(violent, cruel, vicious, fierce)
1
ravenous(violent, cruel, vicious, fierce)
1
revengeful(mean, harsh, cruel, vicious)
1
rigorous(hard, tough, harsh, cruel)
1
rough
1
rude
1
sanguinary(hard, tough, harsh, violent)
1
shameless(hard, tough, harsh, cruel)
1
sour(hard, tough, harsh, cruel)
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APASmart Define. (2016). unmerciful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unmerciful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>.
MLASmart Define. "unmerciful thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms>