183 entries under severe topic. ×

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potent(adjective, stringent, drastic)
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rasping(adjective, bleak, stark, austere)
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raucous(adjective, bleak, stark, austere)
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rusty(adjective, bleak, stark, austere)
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screeching(adjective, bleak, stark, austere)
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steep(adjective, stringent, drastic)
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strident(adjective, bleak, stark, austere)
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stridulous(adjective, bleak, stark, austere)
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strong(adjective, stringent, drastic)
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towering(adjective, stringent, drastic)
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tuneless(adjective, bleak, stark, austere)
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tyrannous(harsh, cruel)
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uncalled-for(adjective, mean, harsh, cruel)
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uncalled for(expression, mean, harsh, heartless)
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uncivil(adjective, hard, sharp, nasty)
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unconscionable(adjective, stringent, drastic)
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undue(adjective, stringent, drastic)
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uneven(adjective, bleak, stark, austere)
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unlevel(adjective, bleak, stark, austere)
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unmelodious(adjective, bleak, stark, austere)
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APASmart Define. (2016). pitiless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms
ChicagoSmart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, pitiless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>.
MLASmart Define. "pitiless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms>