- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
101 entries under hard topic. ×
| cantankerous(adjective, evil, rough, nasty) | |
| delicate(bad, difficult, heavy, complex) | |
| exhausting(adjective, tough, severe, rough) | |
| intricate(adjective, tough, severe, difficult) | |
| nasty(adjective, bad, rough, difficult) | |
| profound(delicate, intense, heavy, complex) | |
| tiring(adjective, tough, severe, rough) | |
| treacherous(adjective, bad, evil, rough) | |
| violent(adjective, severe, rough, difficult) | |
| bad-tempered(adjective, evil, rough, nasty) | |
| baffling(tough, delicate, complex, tricky) | |
| callous(adjective, evil, rough, nasty) | |
| churlish(adjective, rough, nasty, rude) | |
| contemptible(adjective, evil, rough, nasty) | |
| deep(adjective, tough, severe, delicate) | |
| despicable(adjective, evil, rough, nasty) | |
| dirty(adjective, rough, nasty, rude) | |
| disagreeable(adjective, evil, rough, nasty) | |
| dishonorable(adjective, evil, rough, nasty) | |
| down(adjective, evil, rough, nasty) |
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| APA | Smart Define. (2015). formidable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, formidable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>. |
| MLA | Smart Define. "formidable thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms> |