- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
108 entries under stubborn topic. ×
| cussed(adjective, tough, severe, firm, unreasonable) | |
| hard-line(adjective, strong, hard, tough, firm) | |
| indurate(adjective, mean, hard, determined, resolute) | |
| mean(adjective, animal, hard, severe, nasty) | |
| persisting(adjective, strong, tough, firm, determined) | |
| perverse(adjective, mean, hard, tough, determined) | |
| strong-minded(adjective, determined, resolution, fixed, resolute) | |
| true(adjective, strong, tough, firm, determined) | |
| uncompassionate(adjective, animal, mean, hard, harsh) | |
| uncooperative(adjective, mean, hard, persistent, obstinate) | |
| cantankerous(tough, firm, persistent, obstinate) | |
| contumacious(tough, firm, persistent, obstinate) | |
| hard-core(adjective, strong, hard, tough, severe) | |
| immutable(adjective, set, strong, hard, firm) | |
| insubordinate(tough, firm, persistent, obstinate) | |
| opinionated(adjective, tough, firm, determined, resolute) | |
| recalcitrant(tough, firm, persistent, obstinate) | |
| refractory(tough, firm, persistent, obstinate) | |
| self-willed(adjective, tough, firm, determined, resolute) | |
| sure(adjective, strong, tough, firm, determined) |
For more, visit
Relentless on
Power Thesaurus
| APA | Smart Define. (2015). relentless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, relentless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>. |
| MLA | Smart Define. "relentless thesaurus" 24 June 2015. Web. 28 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms> |