- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
315 entries under adjective topic. ×
| unacceptable | |
| unattractive(nasty, plain, awful, ugly) | |
| unendurable | |
| unsavory(terrible, dirty, badly, scary) | |
| unsettling(awful, terrible, horrible, afraid) | |
| unsupportable | |
| woesome(awful, terrible, horrible, afraid) | |
| yucky(awful, dirty, gloom, badly) | |
| adverse(awful, dirty, gloom, badly) | |
| brutal(violent, terrible, wild, cruel) | |
| cowardly | |
| distressing(unpleasant, awful, terrible, disgusting) | |
| ghostly(shocking, upsetting, frightening) | |
| gory | |
| messy(terrible, dirty, badly, scary) | |
| petrifying | |
| repelling(nasty, plain, awful, revolting) | |
| savage(violent, wild, cruel, vicious) | |
| surly | |
| unnerving |
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| APA | Smart Define. (2016). frightful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/frightful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "frightful thesaurus" https://smartdefine.org/frightful/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, frightful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/frightful/thesaurus/synonyms>. |
| MLA | Smart Define. "frightful thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/frightful/thesaurus/synonyms> |