Synonyms|511Antonyms|235|Broader|11Narrower|5Related|1.2k
1
animate
1
astir
1
athletic(weak, soft)
1
awake
1
blithe
1
bouncing
1
bright
1
canty
1
chipper
1
chirpy
1
enterprising(meek, unadventurous)
1
enthusiastic(adjective, excited, interested)
1
festive
1
forceful(weak, mild)
1
goal-oriented
1
hearty(adjective, energetic, enthusiastic, aloof, unhealthy)
1
high-energy
1
jocular
1
jolly
1
jovial
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APASmart Define. (2016). lethargic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lethargic/thesaurus/antonyms
ChicagoSmart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, lethargic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lethargic/thesaurus/antonyms>.
MLASmart Define. "lethargic thesaurus" 4 January 2016. Web. 26 September 2026. <https://smartdefine.org/lethargic/thesaurus/antonyms>