- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
| vigor(noun, action, power, energy, weakness) | |
| action(noun, energy, question, inactivity, idleness) | |
| energy(noun, action, vigor) | |
| health(noun, weakness) | |
| alacrity(apathy, indifference) | |
| compassion | |
| fitness | |
| business | |
| liveliness(noun, action, energy) | |
| vivacity(noun, action, energy) | |
| curiosity | |
| desire | |
| enthusiasm(noun, calm, excitement, keen, peace) | |
| sympathy | |
| vitality(noun, action, energy, spirit, weakness) | |
| life(noun, action, energy, abstract) | |
| activity(noun, action, energy) | |
| discipline | |
| excitement | |
| passion |
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| APA | Smart Define. (2016). lethargy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lethargy/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "lethargy thesaurus" https://smartdefine.org/lethargy/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, lethargy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lethargy/thesaurus/antonyms>. |
| MLA | Smart Define. "lethargy thesaurus" 25 February 2016. Web. 24 September 2026. <https://smartdefine.org/lethargy/thesaurus/antonyms> |