- Definitions|2
- Thesaurus|178
- Abbreviations|0
| horror(noun, feeling, cause, thing, misery) | |
| monstrosity(noun, misery, outrage, horror, freak) | |
| awfulness(noun, misery, horror, terribleness) | |
| atrociousness(misery, horror, awfulness, terribleness) | |
| dreadfulness(noun, misery, outrage, horror, unpleasantness) | |
| fearfulness(noun, terribleness) | |
| horridness(noun, misery, horror, unpleasantness, awfulness) | |
| terribleness(noun, misery, horror, fearfulness) | |
| terror(noun, fearfulness) | |
| deformity(misery, outrage, horror, awfulness) | |
| dread | |
| fear | |
| ghastliness | |
| hideousness(misery, outrage, horror, awfulness) | |
| scariness | |
| atrocity(misery, outrage, horror, awfulness) | |
| eeriness | |
| eldritch | |
| enormity(noun, misery, outrage, horror, awfulness) | |
| fearful |
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| APA | Smart Define. (2015). frightfulness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/frightfulness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "frightfulness thesaurus" https://smartdefine.org/frightfulness/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, frightfulness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/frightfulness/thesaurus/synonyms>. |
| MLA | Smart Define. "frightfulness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/frightfulness/thesaurus/synonyms> |