Synonyms|90Antonyms|33|Broader|4Narrower|4Related|47
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grotesqueness(misery, outrage, horror, awfulness)
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hellishness
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horrendousness
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horrible
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horribleness
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horrid
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miscreation(outrage, horror)
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monster(misery, outrage, horror, awfulness)
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morbid
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mutant(misery, outrage, horror, awfulness)
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mutation(misery, outrage, horror, awfulness)
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nefariousness(noun, unpleasantness)
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nightmarishness
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obnoxiousness
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odiousness(noun, unpleasantness)
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outrage
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redoubtable
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repulsiveness
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scares
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shocking
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APASmart Define. (2015). frightfulness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/frightfulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "frightfulness thesaurus" https://smartdefine.org/frightfulness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, frightfulness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/frightfulness/thesaurus/synonyms>.
MLASmart Define. "frightfulness thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/frightfulness/thesaurus/synonyms>