183 entries under severe topic. ×

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great(adjective, stringent, drastic)
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gruff(adjective, hard, sharp, nasty)
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guttural(adjective, bleak, stark, austere)
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hairy(adjective, hard, sharp, nasty)
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hard-shell(adjective, bleak, stark, austere)
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heavy(adjective, harsh, cruel, serious)
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hoarse(adjective, bleak, stark, austere)
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hurtful(harsh, cruel)
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immoderate(adjective, stringent, drastic)
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incompatible(adjective, bleak, stark, austere)
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inhospitable(adjective, bleak, stark, austere)
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inordinate(adjective, stringent, drastic)
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jagged(adjective, bleak, stark, austere)
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jangling(adjective, bleak, stark, austere)
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jarring(adjective, bleak, stark, austere)
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noisy(adjective, bleak, stark, austere)
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not smooth(expression, adjective, bleak, stark)
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off-key(adjective, bleak, stark, austere)
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out-of-key(adjective, bleak, stark, austere)
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out-of-tune(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>