112 entries under upsetting topic. ×

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spectral(awful, terrible, shocking, frightening)
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supernatural(awful, terrible, shocking, frightening)
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uncanny(awful, terrible, shocking, disturbing)
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uncertain(hard, severe, offensive, distressing)
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unearthly(awful, terrible, shocking, frightening)
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unharmonious
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unnatural(awful, terrible, grim, shocking)
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unnerving(severe, extreme, serious, disturbing)
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wan(shocking, frightening)
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weak(awful, terrible, grim, shocking)
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wearisome(hard, severe, offensive, distressing)
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wraithlike(awful, terrible, grim, shocking)
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APASmart Define. (2016). unpleasant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unpleasant/thesaurus/synonyms
ChicagoSmart Define. 2016. "unpleasant thesaurus" https://smartdefine.org/unpleasant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unpleasant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unpleasant/thesaurus/synonyms>.
MLASmart Define. "unpleasant thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/unpleasant/thesaurus/synonyms>