- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
95 entries under dreadful topic. ×
| scowling(adjective, appearance, unpleasant, terrible, horrible) | |
| servile(adjective, unpleasant, horrible, disagreeable) | |
| sickening(adjective, unpleasant, awful, disgusting, horrible) | |
| sordid(adjective, unpleasant, horrible, disagreeable) | |
| sorry(adjective, unpleasant, horrible, disagreeable) | |
| spiteful(adjective, unpleasant, horrible, disagreeable) | |
| strange(awful, terrible) | |
| sublime(awful, terrible) | |
| sullen(adjective, unpleasant, horrible, disagreeable, ugly) | |
| surly(adjective, unpleasant, horrible, disagreeable, ugly) | |
| troublous(adjective, unpleasant, horrible, disagreeable) | |
| truculent(adjective, appearance, unpleasant, terrible, horrible) | |
| unearthly(awful, terrible) | |
| unspeakable(awful, terrible, shocking, upsetting) | |
| wretched(adjective, unpleasant, horrible, disagreeable) |
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| APA | Smart Define. (2015). formidable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, formidable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>. |
| MLA | Smart Define. "formidable thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms> |