- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
88 entries under horrible topic. ×
| threatening(adjective, tough, severe, unpleasant, important) | |
| dismaying(adjective, difficult, overwhelming, terrifying) | |
| troublesome(adjective, hard, tough, severe, evil) | |
| fell(adjective, tough, severe, unpleasant, important) | |
| forbidding(adjective, appearance, tough, unpleasant, terrible) | |
| impregnable(adjective, dreadful, terrifying) | |
| ugly(adjective, bad, hard, tough, severe) | |
| grave(adjective, tough, severe, difficult, unpleasant) | |
| mean(adjective, bad, severe, rough, nasty) | |
| wicked(adjective, bad, nasty, delicate, unpleasant) | |
| cantankerous(adjective, hard, evil, rough, nasty) | |
| distressing(adjective, bad, tough, severe, rough) | |
| grievous(adjective, tough, severe, difficult, unpleasant) | |
| nasty(adjective, bad, hard, rough, difficult) | |
| treacherous(adjective, bad, hard, evil, rough) | |
| violent(adjective, hard, severe, rough, difficult) | |
| atrocious(bad, awful, terrible, shocking) | |
| despicable(adjective, hard, evil, rough, nasty) | |
| dirty(adjective, hard, rough, nasty, rude) | |
| disagreeable(adjective, hard, evil, rough, nasty) |
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| APA | Smart Define. (2015). formidable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, formidable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>. |
| MLA | Smart Define. "formidable thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms> |