Synonyms|90Antonyms|33|Broader|4Narrower|4Related|47
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direness
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disagreeableness
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dreadful
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drear
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erratic
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evil(outrage, horror)
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eyesore(misery, outrage, horror, awfulness)
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fanciful
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fiendishness
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forbidding
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foulness(noun, unpleasantness)
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freak(misery, outrage, horror, awfulness)
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freakishness(misery, outrage, horror, awfulness)
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frightful
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ghastly
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ghostly
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ghoulishness
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gorgonian
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grim
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grimness
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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>