- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
72 entries under noun topic. ×
| industry(work, inactivity, indolence) | |
| intensity(calm, force, passion, moderation) | |
| mana | |
| oomph(weakness, apathy) | |
| pizzazz(weakness, dullness, indifference) | |
| potency(weakness, impotence) | |
| spirit(being, brightness) | |
| sprightliness | |
| sturdiness | |
| verve | |
| vivaciousness(action, energy, heavyheartedness) | |
| wakefulness(action, energy) | |
| zeal(neglect, enthusiasm, indifference) | |
| zest(energy, dullness, gusto) | |
| achievement | |
| acuteness | |
| agency | |
| alertness | |
| awakening(action, energy) | |
| concern(action, energy) |
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| APA | Smart Define. (2016). lethargy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/lethargy/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "lethargy thesaurus" https://smartdefine.org/lethargy/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, lethargy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/lethargy/thesaurus/antonyms>. |
| MLA | Smart Define. "lethargy thesaurus" 25 February 2016. Web. 1 October 2026. <https://smartdefine.org/lethargy/thesaurus/antonyms> |