175 entries under severe topic. ×

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relentless(adjective, hard, sharp, nasty)
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rigid(adjective, difficult, harsh, cruel)
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rusty(adjective, bleak, stark, austere)
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screeching(adjective, bleak, stark, austere)
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stark(adjective, bleak, austere, inhospitable)
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tuneless(adjective, bleak, stark, austere)
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uncertain(hard, offensive, distressing, upsetting)
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uneven(adjective, bleak, stark, austere)
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ungodly(adjective, nasty, awful, terrible)
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unholy(adjective, nasty, awful, terrible)
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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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unnerving(extreme, serious, upsetting, disturbing)
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wearisome(hard, offensive, distressing, upsetting)
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APASmart Define. (2016). unpleasant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unpleasant/thesaurus/synonyms
ChicagoSmart Define. 2016. "unpleasant thesaurus" https://smartdefine.org/unpleasant/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unpleasant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unpleasant/thesaurus/synonyms>.
MLASmart Define. "unpleasant thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/unpleasant/thesaurus/synonyms>