- Definitions|2
- Thesaurus|1k
- Abbreviations|0
79 entries under hard topic. ×
| knotted(adjective, difficulty, difficult, complex) | |
| knotty(adjective, difficulty, difficult, complex) | |
| labyrinthine(adjective, difficulty, difficult, complex) | |
| painful(adjective, tough, difficult, harsh) | |
| plodding(adjective, difficult, complex) | |
| complicated(adjective, difficulty, difficult, complex) | |
| rough(adjective, strong, tough, difficult) | |
| grievous(adjective, tough, difficult, harsh) | |
| resistant(adjective, characteristic, quality, determined) | |
| thorny(adjective, difficulty, difficult, complex) | |
| trying(adjective, difficulty, difficult, complex) | |
| bullheaded(adjective, characteristic, quality, strong) | |
| set in stone(expression, adjective, idiom, mean) | |
| difficult(adjective, complex, change, position) | |
| adamantine(adjective, characteristic, quality, strong) | |
| iron(adjective, characteristic, quality, mean, strong) | |
| strong(adjective, tough, firm, violent) | |
| hanging tough(expression, adjective, mean, determined) | |
| indomitable(adjective, strong, tough, difficult) | |
| stern(adjective, appearance, tough, rough) |
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| APA | Smart Define. (2015). stubborn thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stubborn/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stubborn thesaurus" https://smartdefine.org/stubborn/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, stubborn thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stubborn/thesaurus/synonyms>. |
| MLA | Smart Define. "stubborn thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/stubborn/thesaurus/synonyms> |