49 entries under callous topic. ×

2
ferocious(adjective, mean, hard, rough, harsh)
2
hard-nosed(adjective, hard, severe, rough, harsh)
2
mean(adjective, hard, severe, harsh, violent)
2
mortal(adjective, mean, severe, harsh, cruel)
1
cold(adjective, mean, hard, harsh, cruel)
1
ironfisted(adjective, mean, harsh, cruel, vicious)
0
killer(adjective, mean, harsh, cruel, vicious)
0
surly(adjective, mean, harsh, cruel, vicious)
0
without pity(expression, adjective, mean, harsh, cruel)
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APASmart Define. (2016). unforgiving thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unforgiving/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforgiving thesaurus" https://smartdefine.org/unforgiving/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unforgiving thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unforgiving/thesaurus/synonyms>.
MLASmart Define. "unforgiving thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/unforgiving/thesaurus/synonyms>