69 entries under dreadful topic. ×

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dangerous(adjective, bad, offensive, unpleasant, foul)
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dour(adjective, unpleasant, horrible, disagreeable)
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fell(adjective, unpleasant, horrible, disagreeable)
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formidable(adjective, unpleasant, horrible, disagreeable)
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gloomy(adjective, unpleasant, horrible, disagreeable)
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glum(adjective, unpleasant, horrible, disagreeable)
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grave(adjective, unpleasant, horrible, disagreeable)
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low-down(adjective, unpleasant, horrible, disagreeable)
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major(adjective, unpleasant, horrible, disagreeable)
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malevolent(adjective, unpleasant, horrible, disagreeable)
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menacing(adjective, unpleasant, horrible, disagreeable)
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morose(adjective, unpleasant, horrible, disagreeable)
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ominous(adjective, unpleasant, negative, horrible, hostile)
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pugnacious(adjective, offensive, unpleasant, disgusting, horrible)
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quarrelsome(adjective, unpleasant, horrible, disagreeable)
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saturnine(adjective, unpleasant, horrible, disagreeable)
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scowling(adjective, unpleasant, horrible, disagreeable)
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servile(adjective, unpleasant, horrible, disagreeable)
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sinister(adjective, unpleasant, horrible, disagreeable)
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sorry(adjective, unpleasant, horrible, disagreeable)
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APASmart Define. (2016). objectionable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/objectionable/thesaurus/synonyms
ChicagoSmart Define. 2016. "objectionable thesaurus" https://smartdefine.org/objectionable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, objectionable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/objectionable/thesaurus/synonyms>.
MLASmart Define. "objectionable thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/objectionable/thesaurus/synonyms>