- Definitions|2
- Thesaurus|1k
- Abbreviations|0
116 entries under firmness topic. ×
| durableness(strength, hardness, sturdiness) | |
| earnestness(noun, determination, resolution, steadfastness) | |
| equilibrium(noun, control, balance, stability) | |
| imperishability(strength, hardness, sturdiness) | |
| integrity | |
| iron will(noun, expression, determination, resolution) | |
| obstinance(noun, determination, resolution, decision) | |
| purposiveness(noun, determination, resolution, steadfastness) | |
| sense of purpose(expression, idiom, determination, steadfastness) | |
| seriousness(noun, determination, resolution, steadfastness) | |
| single-mindedness(determination, resolution, steadfastness) | |
| spine(noun, determination, resolution, perseverance) | |
| sureness(noun, support, control, strength, balance) | |
| volition(noun, determination, resolution, steadfastness) | |
| wholeness | |
| will power(noun, expression, determination, resolution) |
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| APA | Smart Define. (2015). toughness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughness thesaurus" https://smartdefine.org/toughness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, toughness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughness/thesaurus/synonyms>. |
| MLA | Smart Define. "toughness thesaurus" 21 December 2015. Web. 29 September 2026. <https://smartdefine.org/toughness/thesaurus/synonyms> |