- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
| tormenting(adjective, endured) | |
| torturous(adjective, endured) | |
| towering(adjective, awful, terrible, horrible, afraid) | |
| tragical(adjective, awful, terrible, horrible, afraid) | |
| unacceptable(adjective, endured) | |
| unattractive(adjective, nasty, plain, awful, ugly) | |
| uncanny(awful, terrible, immoral, shocking, atrocious) | |
| unendurable(adjective, endured) | |
| unsavory(adjective, terrible, dirty, badly, scary) | |
| unsettling(adjective, awful, terrible, horrible, afraid) | |
| unsupportable(adjective, endured) | |
| woesome(adjective, awful, terrible, horrible, afraid) | |
| yucky(adjective, awful, dirty, gloom, badly) | |
| adverse(adjective, awful, dirty, gloom, badly) | |
| awing | |
| bizarre | |
| brutal(adjective, violent, terrible, wild, cruel) | |
| cowardly | |
| distressing(adjective, unpleasant, awful, terrible, disgusting) | |
| fear |
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| APA | Smart Define. (2016). frightful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frightful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "frightful thesaurus" https://smartdefine.org/frightful/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, frightful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frightful/thesaurus/synonyms>. |
| MLA | Smart Define. "frightful thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/frightful/thesaurus/synonyms> |