- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
68 entries under terrible topic. ×
| splenetic(appearance, hopeless) | |
| stern(appearance, rough, difficult, hopeless) | |
| strange(awful, dreadful) | |
| sublime(awful, dreadful) | |
| truculent(adjective, appearance, unpleasant, horrible) | |
| unearthly(awful, dreadful) | |
| unrelenting(appearance, hopeless) | |
| unspeakable(awful, shocking, dreadful, upsetting) |
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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> |