216 entries under adjective topic. ×

5
demanding(severe, violent, hostile, exacting)
5
hardened(person, hard, tough, harsh)
5
inhuman(person, mean, hard, tough)
5
revengeful(mean, harsh, cruel, vicious)
5
rigid(harsh, cruel, determined, fierce)
5
rough(person, hard, severe, harsh)
5
savage(mean, hard, tough, severe)
5
spiteful(mean, hateful, unkind, malicious)
5
unbending(hard, rough, harsh, cruel)
5
vengeful(mean, severe, harsh, cruel)
4
barbarous(mean, hard, tough, severe)
4
cold-blooded(person, mean, hard, harsh)
4
dogged(harsh, cruel, determined, fierce)
4
exacting(hard, severe, rough, harsh)
4
flinty(rocky, pebbly)
4
forbidding(person, hard, tough, harsh)
4
hard-hearted(mean, hard, tough, harsh)
4
hardhearted(mean, hard, severe, harsh)
4
sadistic(person, mean, harsh, cruel)
4
terrible
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APASmart Define. (2016). unforgiving thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unforgiving/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforgiving thesaurus" https://smartdefine.org/unforgiving/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unforgiving thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unforgiving/thesaurus/synonyms>.
MLASmart Define. "unforgiving thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unforgiving/thesaurus/synonyms>