80 entries under unkind topic. ×

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bleak(adjective, tough, harsh, cruel, grim)
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cold fish(expression, adjective, tough, harsh, cruel)
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dour(adjective, tough, harsh, cruel, grim)
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grievous(adjective, tough, harsh, cruel, grim)
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hard-boiled(adjective, tough, harsh, cruel, grim)
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hard as nails(expression, adjective, idiom, tough, harsh)
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heartless(adjective, severe, evil, nasty, harsh)
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inclement(adjective, tough, harsh, cruel, grim)
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inhuman(adjective, evil, nasty, harsh, vicious)
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intemperate(adjective, tough, harsh, cruel, grim)
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intolerable(adjective, tough, harsh, cruel, grim)
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obdurate(adjective, tough, harsh, cruel, grim)
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perverse(adjective, tough, harsh, cruel, grim)
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remorseless(adjective, severe, harsh, cruel, brutal)
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stern(adjective, tough, harsh, cruel, grim)
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strict(adjective, tough, harsh, cruel, grim)
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stringent(adjective, tough, harsh, cruel, grim)
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thick-skinned(adjective, tough, harsh, cruel, grim)
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unjust(adjective, tough, harsh, cruel, grim)
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unpleasant(adjective, tough, harsh, cruel, grim)
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APASmart Define. (2016). vengeful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vengeful/thesaurus/synonyms
ChicagoSmart Define. 2016. "vengeful thesaurus" https://smartdefine.org/vengeful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, vengeful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vengeful/thesaurus/synonyms>.
MLASmart Define. "vengeful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/vengeful/thesaurus/synonyms>