Synonyms|512Antonyms|132|Broader|2Narrower|0Related|980

121 entries under severe topic. ×

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rude(adjective, hard, sharp, nasty)
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rugged(adjective, strong, hard, tough)
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rusty(adjective, bleak, stark, austere)
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screeching(adjective, bleak, stark, austere)
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scrupulous(adjective, tough, firm, harsh)
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sour(adjective, bleak, stark, austere)
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stark(adjective, bleak, austere, inhospitable)
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straight(adjective, tough, firm, harsh)
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strait-laced(adjective, tough, firm, harsh)
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strident(adjective, bleak, stark, austere)
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stridulous(adjective, bleak, stark, austere)
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stuffy(adjective, tough, firm, harsh)
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tuneless(adjective, bleak, stark, austere)
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uncivil(adjective, hard, sharp, nasty)
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uneven(adjective, bleak, stark, austere)
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ungracious(adjective, hard, sharp, nasty)
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unlevel(adjective, bleak, stark, austere)
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unmelodious(adjective, bleak, stark, austere)
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unmusical(adjective, bleak, stark, austere)
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unpermissive(adjective, tough, firm, harsh)
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ChicagoSmart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hard-boiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>.
MLASmart Define. "hard-boiled thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms>