99 entries under lethargic topic. ×

1
sullen(adjective, dull, slow, heavy, sluggish)
1
tired(adjective, dull, slow, careless, indifferent)
1
trifling(dull, idle, sluggish, indolent)
1
unenergetic(dull, idle, sluggish, lazy)
1
unindustrious(dull, idle, sluggish, indolent)
1
unpersevering(dull, idle, sluggish, indolent)
1
unready(adjective, dull, careless, indifferent, idle)
1
vacant(adjective, slack, languid, indolent)
1
weary(adjective, dull, weak, easy, slow)
0
absent(languid, indolent)
0
abstracted(languid, indolent)
0
bored(adjective, limp, languid, indolent)
0
easy-going(adjective, sluggish, lazy, negligent)
0
easygoing(sluggish, lazy, languid, indolent)
0
heedless(languid, indolent)
0
lukewarm(languid, indolent)
0
mopish(languid, indolent)
0
thoughtless(languid, indolent)
0
without energy(expression, languid, indolent)
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ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>