84 entries under firmness topic. ×
| sternness(rigidity, stiffness) | |
| strictness(rigidity, stiffness) | |
| stringency(rigidity, stiffness) | |
| unkindness(rigidity, stiffness) |
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| APA | Smart Define. (2016). security thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/security/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "security thesaurus" https://smartdefine.org/security/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, security thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/security/thesaurus/synonyms>. |
| MLA | Smart Define. "security thesaurus" 29 February 2016. Web. 23 September 2026. <https://smartdefine.org/security/thesaurus/synonyms> |