- Definitions|2
- Thesaurus|697
- Abbreviations|0
47 entries under secure topic. ×
| firm(noun, adjective, mean, strong, hard) | |
| stubborn(adjective, characteristic, quality, mean, strong) | |
| inflexible(adjective, mean, strong, hard) | |
| immovable(adjective, mean, strong, hard) | |
| uncompromising(adjective, mean, hard, firm) | |
| fixed(adjective, mean, strong, hard, complete) | |
| unyielding(adjective, mean, strong, hard) | |
| set(adjective, strong, hard, tough) | |
| adamant(adjective, mean, strong, hard) | |
| steady(adjective, clear, strong, solid) | |
| hard-nosed(adjective, mean, hard, determined) | |
| set in stone(expression, adjective, idiom, mean, hard) | |
| solid(adjective, strong, hard, tough) | |
| stable(adjective, strong, hard, continue) | |
| strong(adjective, strong, hard, tough) | |
| fast(adjective, strong, steady, substantial) | |
| sound(adjective, strong, hard, continue) | |
| immobile(adjective, strong, steady, substantial) | |
| settled(strong, firm, substantial, stable) | |
| tight(adjective, strong, hard, tough) |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |