113 entries under terrible topic. ×

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hair-raising(awful, shocking, dreadful, upsetting)
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livid(awful, grim, shocking, upsetting)
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low(adjective, evil, unpleasant, base, awful)
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mortuary(awful, grim, shocking, upsetting)
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nefarious(evil, vicious, brutal, shameful)
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poor(adjective, awful, disgraceful, unacceptable)
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sepulchral(awful, grim, shocking, upsetting)
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spectral(awful, shocking, upsetting, frightening)
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supernatural(awful, shocking, upsetting, frightening)
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uncanny(awful, shocking, upsetting, frightening)
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unnatural(awful, grim, shocking, upsetting)
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weak(awful, grim, shocking, upsetting)
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wraithlike(awful, grim, shocking, upsetting)
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APASmart Define. (2016). sickening thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sickening/thesaurus/synonyms
ChicagoSmart Define. 2016. "sickening thesaurus" https://smartdefine.org/sickening/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, sickening thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sickening/thesaurus/synonyms>.
MLASmart Define. "sickening thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/sickening/thesaurus/synonyms>