- Definitions|2
- Thesaurus|647
- Abbreviations|0
39 entries under stiffness topic. ×
| maturity(noun, support, control, strength, balance) | |
| resistance(noun, cover, position, guard, shield) | |
| resoluteness(noun, support, control, strength, balance) | |
| toughness(noun, support, control, strength, balance) | |
| acerbity(firmness, rigidity) | |
| austerity(firmness, rigidity) | |
| grimness(firmness, rigidity) | |
| hardheartedness(firmness, rigidity) | |
| harshness(firmness, rigidity) | |
| inflexibility(firmness, rigidity) | |
| rigidity | |
| rigor(firmness, rigidity) | |
| rigorousness(firmness, rigidity) | |
| severity(firmness, rigidity) | |
| sharpness(firmness, rigidity) | |
| sternness(firmness, rigidity) | |
| strictness(firmness, rigidity) | |
| stringency(firmness, rigidity) | |
| unkindness(firmness, rigidity) |
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| APA | Smart Define. (2015). fastness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fastness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fastness thesaurus" https://smartdefine.org/fastness/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, fastness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fastness/thesaurus/synonyms>. |
| MLA | Smart Define. "fastness thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/fastness/thesaurus/synonyms> |