186 entries under terrible topic. ×

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corpselike(awful, shocking, upsetting, frightening)
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dim(awful, grim, shocking, upsetting)
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dogged(appearance, hopeless)
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dreadful pale(expression, awful, grim, shocking)
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faint(awful, grim, shocking, upsetting)
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foreboding(appearance, hopeless)
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glowering(appearance, hopeless)
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inexorable(appearance, hopeless)
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intractable(appearance, hopeless)
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livid(awful, grim, shocking, upsetting)
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mortuary(awful, grim, shocking, upsetting)
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resolute(appearance, hopeless)
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scowling(appearance, awful, hopeless, ominous)
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sepulchral(awful, grim, shocking, upsetting)
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shuddersome(awful, horrible, dreadful, terrific)
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somber(appearance, hopeless)
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splenetic(appearance, hopeless)
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stern(appearance, hopeless)
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strange(awful, dreadful)
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sublime(awful, dreadful)
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APASmart Define. (2016). frightful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/frightful/thesaurus/synonyms
ChicagoSmart Define. 2016. "frightful thesaurus" https://smartdefine.org/frightful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, frightful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/frightful/thesaurus/synonyms>.
MLASmart Define. "frightful thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/frightful/thesaurus/synonyms>