1
avaricious(adjective, hard, tough, harsh, cruel)
1
avenging(adjective, mean, hateful, malicious, spiteful)
1
bitter
1
bloody(adjective, hard, tough, harsh, cruel)
1
bound(adjective, harsh, cruel, determined, fierce)
1
bound and determined(expression, adjective, idiom, harsh, cruel)
1
bowelless
1
brute
1
bullheaded(adjective, determined, resolute, uncompromising, unshakeable)
1
cold(adjective, mean, hard, harsh, cruel)
1
critical
1
dead set on(expression, adjective, idiom, harsh, cruel)
1
depressing
1
disconsolate
1
dispiriting
1
ghastly
1
glacial(adjective, person, feelings, emotions)
1
go for broke(expression, adjective, idiom, harsh, cruel)
1
gory
1
gratuitous(adjective, mean, severe, harsh, cruel)
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APASmart Define. (2016). unforgiving thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unforgiving/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforgiving thesaurus" https://smartdefine.org/unforgiving/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unforgiving thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unforgiving/thesaurus/synonyms>.
MLASmart Define. "unforgiving thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unforgiving/thesaurus/synonyms>