- Definitions|2
- Thesaurus|899
- Abbreviations|0
44 entries under difficult topic. ×
| stubborn(adjective, strong, hard, tough) | |
| tenacious(adjective, strong, tough, firm) | |
| unmanageable(adjective, wild, awkward, persistent) | |
| intractable(adjective, violent, persistent, obstinate) | |
| recalcitrant(adjective, violent, wild, awkward) | |
| ungovernable(adjective, violent, wild, awkward) | |
| hard(adjective, set, strong, great, tough) | |
| overwhelming(adjective, strong, great, strength, tough) | |
| powerful(adjective, strong, great, tough) | |
| tough(adjective, strong, hard, great) | |
| formidable(adjective, overwhelming) | |
| overpowering(adjective, strong, great, strength, tough) | |
| pertinacious(adjective, strong, tough, firm) | |
| refractory(wild, awkward, persistent, obstinate) | |
| uncompromising(adjective, hard, tough, resolute) | |
| unruly(wild, awkward, persistent, obstinate) | |
| bullheaded(adjective, strong, hard, tough) | |
| hard-line(adjective, strong, hard, tough) | |
| obdurate(adjective, strong, hard, tough) | |
| cantankerous(wild, awkward, persistent, obstinate) |
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| APA | Smart Define. (2015). indomitable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/indomitable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indomitable thesaurus" https://smartdefine.org/indomitable/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, indomitable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/indomitable/thesaurus/synonyms>. |
| MLA | Smart Define. "indomitable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/indomitable/thesaurus/synonyms> |