- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
143 entries under adjective topic. ×
| grueling(tough, difficult, awkward, grim) | |
| hairy(tough, rough, difficult, heavy) | |
| incredible | |
| involved(tough, rough, difficult, heavy) | |
| knotty(tough, rough, difficult, heavy) | |
| legendary | |
| merciless(tough, rough, difficult, heavy) | |
| miraculous | |
| murder(tough, rough, difficult, heavy) | |
| potent | |
| problematical(difficult, awkward, demanding, grueling) | |
| rigorous(tough, rough, difficult, heavy) | |
| scabrous(tough, rough, difficult, heavy) | |
| serious(tough, rough, difficult, heavy) | |
| slavish(tough, rough, difficult, heavy) | |
| sticky(tough, rough, difficult, heavy) | |
| terrible(tough, rough, difficult, heavy) | |
| testing(tough, difficult, awkward, grim) | |
| tricky(difficult, awkward, demanding, grueling) | |
| unbelievable |
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| APA | Smart Define. (2013). herculean thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/herculean/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "herculean thesaurus" https://smartdefine.org/herculean/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2013, herculean thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/herculean/thesaurus/synonyms>. |
| MLA | Smart Define. "herculean thesaurus" 28 June 2013. Web. 1 October 2026. <https://smartdefine.org/herculean/thesaurus/synonyms> |