70 entries under indolent topic. ×

11
sleepy(adjective, dull, quiet, moving, slow)
10
lackadaisical(adjective, dull, quiet, weak, easy)
8
leaden(adjective, dull, quiet, weak, moving)
8
impassive(adjective, dull, weak, moving, easy)
7
heavy(adjective, upset, dull, quiet, weak)
6
somnolent(adjective, dull, careless, relaxed, indifferent)
6
spiritless(adjective, dull, quiet, weak, easy)
5
comatose(adjective, dull, weak, easy, slow)
4
dilatory(adjective, dull, quiet, easy, careless)
4
drowsy(adjective, dull, quiet, easy, careless)
4
work-shy(adjective, idle, lazy, faineant)
3
laggard(adjective, dull, quiet, easy, careless)
3
remiss(adjective, dull, idle, sluggish, inactivity)
3
shiftless(adjective, dull, idle, sluggish, lazy)
3
tardy(dull, idle, sluggish, lazy, inactive)
2
blah(adjective, dull, quiet, weak, easy)
2
bored(lethargic, languid)
2
enervated(adjective, dull, weak, easy, slow)
2
laid-back(adjective, dull, quiet, weak, easy)
2
limp(adjective, dull, weak, easy, slow)
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APASmart Define. (2015). inert thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inert/thesaurus/synonyms
ChicagoSmart Define. 2015. "inert thesaurus" https://smartdefine.org/inert/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, inert thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inert/thesaurus/synonyms>.
MLASmart Define. "inert thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/inert/thesaurus/synonyms>