- Definitions|0
- Thesaurus|141
- Abbreviations|0
79 entries under noun topic. ×
| barbarousness(wickedness, horror, barbarity) | |
| cancer | |
| cold-bloodedness(cruelty, harshness, unkindness, callousness) | |
| enmity | |
| hostility | |
| maliciousness | |
| malignance | |
| malignancy | |
| meanness(spite, malice, unkindness, nastiness) | |
| nastiness(cruelty, spite, harshness, malice) | |
| nefariousness(wickedness, horror, barbarity) | |
| oppression | |
| outrage | |
| poison | |
| ruffianism | |
| shockingness(wickedness, horror, barbarity) | |
| villianousness(wickedness, horror, barbarity) | |
| vindictiveness(spite, malice, unkindness, nastiness) | |
| virulence |
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| APA | Smart Define. (2015). fiendishness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fiendishness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fiendishness thesaurus" https://smartdefine.org/fiendishness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, fiendishness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fiendishness/thesaurus/synonyms>. |
| MLA | Smart Define. "fiendishness thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/fiendishness/thesaurus/synonyms> |