- Definitions|2
- Thesaurus|697
- Abbreviations|0
212 entries under adjective topic. ×
| invariant | |
| iron(mean, strong, hard, tough) | |
| massed(strong, hard, substantial, sturdy) | |
| material(strong, hard, substantial, sturdy) | |
| mean(hard, tough, harsh, inflexible) | |
| permanent | |
| perseverant | |
| persisting | |
| persuaded(clear, certain, definite, unquestionable) | |
| perverse(mean, hard, tough, firm) | |
| physical(strong, hard, substantial, sturdy) | |
| pigheaded(mean, hard, tough, firm) | |
| purposeful | |
| rock(strong, hard, substantial, sturdy) | |
| rocklike(strong, hard, substantial, sturdy) | |
| rooted(strong, hard, secure, solid) | |
| satisfied(clear, certain, definite, unquestionable) | |
| severe | |
| stiff-necked(mean, hard, tough, firm) | |
| strong-willed |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |