- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
68 entries under terrible topic. ×
| abysmal(awful, dreadful) | |
| appearance | |
| austere(appearance, severe, harsh, heavy) | |
| baleful(awful, dreadful) | |
| barbarous(appearance, hopeless) | |
| bleak(appearance, hopeless) | |
| bloodcurdling(awful, dreadful) | |
| dogged(appearance, hopeless) | |
| foreboding(appearance, hopeless) | |
| funereal(appearance, hopeless) | |
| glowering(appearance, hopeless) | |
| hopeless | |
| implacable(appearance, hopeless) | |
| inexorable(appearance, hopeless) | |
| intractable(appearance, hopeless) | |
| relentless(appearance, hopeless) | |
| resolute(appearance, hopeless) | |
| scowling(adjective, appearance, unpleasant, horrible) | |
| shuddersome(bad, awful, horrible, rotten) | |
| somber(appearance, hopeless) |
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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> |