17
active(adjective, activity, movement)
14
industrious(adjective, hardworking)
11
energetic(adjective, dull, full, forceful, lethargic)
10
diligent(adjective, persevering)
9
busy(adjective, active, behavior, inactive, laziness)
9
desirous
8
brisk
7
enterprising(adjective, meek, unadventurous)
7
sprightly
6
lively
6
meticulous
6
vigorous(adjective, dull, weak, feeble)
5
alert
5
ambitious
4
curious
4
peppy
4
quick(adjective, fast, clumsy, speedy, delayed)
4
self-motivated
4
spirited(adjective, dull, light, weak)
4
workaholic
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APASmart Define. (2016). lazy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lazy/thesaurus/antonyms
ChicagoSmart Define. 2016. "lazy thesaurus" https://smartdefine.org/lazy/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, lazy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lazy/thesaurus/antonyms>.
MLASmart Define. "lazy thesaurus" 3 March 2016. Web. 20 September 2026. <https://smartdefine.org/lazy/thesaurus/antonyms>