- Definitions|2
- Thesaurus|188
- Abbreviations|0
10 entries under energy topic. ×
| perseverance(noun, strength, resolve, temper) | |
| stamina(noun, strength, resolve, vigor) | |
| determination(noun, strength, resolve, vigor) | |
| endurance(noun, strength, resolve, temper) | |
| grit(noun, strength, resolve, determination) | |
| backbone(noun, strength, determination, resolution) | |
| doggedness(noun, strength, resolve, determination) | |
| staying power(noun, expression, strength, vigor) | |
| guts(noun, strength, determination, resolution) | |
| moxie(noun, strength, determination, resolution) |
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| APA | Smart Define. (2015). indefatigability thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indefatigability/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefatigability thesaurus" https://smartdefine.org/indefatigability/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, indefatigability thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indefatigability/thesaurus/synonyms>. |
| MLA | Smart Define. "indefatigability thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/indefatigability/thesaurus/synonyms> |