- Definitions|2
- Thesaurus|534
- Abbreviations|0
| shy(adjective, reserved, timid, retiring, bashful) | |
| wicked(adjective, bad, awful, disgusting, sinful) | |
| apprehensive(adjective, fear, afraid) | |
| atrocious | |
| awing | |
| baleful(adjective, black, bodeful) | |
| eldritch(adjective, bad, awful, disgusting, black) | |
| gloomy(adjective, black, baleful, bodeful) | |
| grotesque(adjective, black, baleful, bodeful) | |
| hideous | |
| horrid | |
| ill-omened(adjective, black, baleful, bodeful) | |
| inauspicious(adjective, black, baleful, bodeful) | |
| lurid(adjective, bad, awful, disgusting, black) | |
| panicky(adjective, fear, afraid) | |
| powerful(adjective, alarming) | |
| redoubtable(adjective, fear) | |
| skittish(adjective, afraid) | |
| spine-chilling(adjective, bad, awful, disgusting, sinful) | |
| striking(adjective, awful, wonderful, amazing, grand) |
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| APA | Smart Define. (2015). fearsome thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fearsome/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fearsome thesaurus" https://smartdefine.org/fearsome/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fearsome thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fearsome/thesaurus/synonyms>. |
| MLA | Smart Define. "fearsome thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/fearsome/thesaurus/synonyms> |