- Definitions|2
- Thesaurus|697
- Abbreviations|0
60 entries under tough topic. ×
| iron(adjective, mean, strong, hard) | |
| mean(adjective, hard, harsh, inflexible) | |
| opinionated(firm, unreasonable, grim, inflexible) | |
| ornery(firm, unreasonable, grim, inflexible) | |
| perverse(adjective, mean, hard, firm) | |
| pigheaded(adjective, mean, hard, firm) | |
| rebellious(firm, unreasonable, grim, inflexible) | |
| recalcitrant(firm, unreasonable, grim, inflexible) | |
| self-willed(firm, unreasonable, grim, inflexible) | |
| stiff-necked(adjective, mean, hard, firm) | |
| thick-skinned(adjective, mean, hard, harsh) | |
| unbreakable(adjective, strong) | |
| uncompassionate(adjective, mean, hard, harsh) | |
| uncooperative(adjective, mean, hard, harsh) | |
| unimpressible(adjective, mean, hard, harsh) | |
| unmanageable(firm, unreasonable, grim, inflexible) | |
| unreasonable(firm, grim, inflexible, obstinate) | |
| unsympathetic(adjective, mean, hard, harsh) | |
| untoward(firm, unreasonable, grim, inflexible) | |
| willful(firm, unreasonable, grim, resolute) |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |