116 entries under severe topic. ×

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monstrous(adjective, harsh, cruel)
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no-nonsense(tough, firm, harsh, stern)
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perverse(adjective, tough, harsh, grim)
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punitive(harsh, cruel)
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resentful(adjective, tough, harsh, grim)
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set(tough, firm, harsh, stern)
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square(tough, firm, harsh, stern)
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stickling(tough, firm, harsh, stern)
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strong(adjective, hard, tough, sharp)
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tyrannous(adjective, harsh, cruel, monstrous)
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uncalled for(expression, mean, harsh, heartless)
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unjust(adjective, tough, harsh, grim)
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unpermissive(tough, firm, harsh, stern)
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uptight(tough, firm, harsh, stern)
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vengeful(adjective, tough, harsh, cruel)
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vindictive(adjective, harsh, cruel, monstrous)
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APASmart Define. (2016). unsparing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsparing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsparing thesaurus" https://smartdefine.org/unsparing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsparing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsparing/thesaurus/synonyms>.
MLASmart Define. "unsparing thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsparing/thesaurus/synonyms>