- Definitions|2
- Thesaurus|188
- Abbreviations|0
151 entries under noun topic. ×
| perseverance(strength, energy, resolve, temper) | |
| persistence(resolve, vigor, determination, resolution) | |
| stamina(strength, energy, resolve, vigor) | |
| tirelessness(resolve, vigor, determination, resolution) | |
| indefatigableness | |
| tenacity(resolve, determination, resolution, perseverance) | |
| diligence(resolve, vigor, determination, resolution) | |
| resolution(resolve, determination, resolution, perseverance) | |
| determination(strength, energy, resolve, vigor) | |
| endurance(strength, energy, resolve, temper) | |
| patience(temper, vigor, determination, composure) | |
| pertinacity(determination, resolution, endurance, persistence) | |
| steadfastness(resolve, determination, resolution, perseverance) | |
| stubbornness(resolve, determination, resolution, perseverance) | |
| grit(strength, energy, resolve, determination) | |
| constancy(resolve, determination, resolution, perseverance) | |
| obstinacy(resolve, determination, resolution, perseverance) | |
| pluck(resolve, determination, resolution, perseverance) | |
| assiduity | |
| backbone(strength, energy, determination, resolution) |
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| APA | Smart Define. (2015). indefatigability thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indefatigability/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefatigability thesaurus" https://smartdefine.org/indefatigability/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, indefatigability thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indefatigability/thesaurus/synonyms>. |
| MLA | Smart Define. "indefatigability thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/indefatigability/thesaurus/synonyms> |