Synonyms|141Antonyms|26|Broader|0Narrower|0Related|101
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chillingly
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creepily
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deeps
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demoralizingly(adverb, formidably, intimidatingly)
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depressingly
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depth
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dire
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direr
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discomfit
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discomfiting
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discomfits
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disconcert
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dishearteningly(adverb, formidably, intimidatingly)
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dismay
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distressingly(adverb, appallingly, terrifyingly, horrifically)
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disturbing
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dread
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dreading
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dreads
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eerie
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APASmart Define. (2015). frighteningly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frighteningly/thesaurus/synonyms
ChicagoSmart Define. 2015. "frighteningly thesaurus" https://smartdefine.org/frighteningly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, frighteningly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frighteningly/thesaurus/synonyms>.
MLASmart Define. "frighteningly thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/frighteningly/thesaurus/synonyms>