50 entries under lethargic topic. ×

4
spiritless(adjective, languid, indolent)
3
inactive(adjective, neglect, languid, indolent)
3
languorous(adjective, languid, indolent)
3
torpid(adjective, languid, indolent)
2
blah(languid, indolent)
2
bored(adjective, dull, sluggish, lifeless)
2
lifeless(adjective, languid, sleepy, indolent)
2
slack(lifeless, languid, sleepy, indolent)
2
slow(adjective, languid, indolent)
1
enervated(adjective, languid, indolent)
1
heavy(adjective, languid, indolent)
1
sleepy(adjective, lifeless, languid, indolent)
0
absent(lifeless, languid, sleepy, indolent)
0
abstracted(languid, indolent)
0
dormant(lifeless, languid, sleepy, indolent)
0
dreamy(languid, indolent)
0
drowsy(lifeless, languid, sleepy, indolent)
0
energyless(adjective, dull, sluggish, lifeless)
0
faint(languid, indolent)
0
inanimate(adjective, dull, sluggish, lifeless)
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APASmart Define. (2015). insouciant thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/insouciant/thesaurus/synonyms
ChicagoSmart Define. 2015. "insouciant thesaurus" https://smartdefine.org/insouciant/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, insouciant thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/insouciant/thesaurus/synonyms>.
MLASmart Define. "insouciant thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/insouciant/thesaurus/synonyms>