73 entries under indolent topic. ×

1
dilatory(adjective, dull, quiet, moderate, easy)
1
careless(dull, idle, sluggish, inactive, lethargic)
1
dallying(dull, idle, sluggish, inactive, lethargic)
1
impassive(adjective, dull, slow, relaxed, still)
1
inattentive(dull, idle, sluggish, inactive, lethargic)
1
insouciant(adjective, lifeless, lethargic, languid)
1
laid-back(adjective, quiet, slow, relaxed, indifferent)
1
loafing(dull, idle, sluggish, inactive, lethargic)
1
neglectful(dull, idle, sluggish, inactive, lethargic)
1
procrastinating(dull, idle, sluggish, inactive, lethargic)
1
remiss(dull, idle, sluggish, inactive, lethargic)
1
shiftless(dull, idle, sluggish, inactive, lethargic)
1
slow-moving(adjective, dull, idle, sluggish, lazy)
1
tardy(dull, idle, sluggish, late, inactive)
1
trifling(dull, idle, sluggish, inactive, lethargic)
1
unconcerned(adjective, dull, still, idle, sluggish)
1
unenergetic(dull, idle, sluggish, inactive, lethargic)
1
unindustrious(dull, idle, sluggish, inactive, lethargic)
1
unpersevering(dull, idle, sluggish, inactive, lethargic)
1
unready(dull, idle, sluggish, inactive, lethargic)
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APASmart Define. (2016). sleepy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sleepy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>.
MLASmart Define. "sleepy thesaurus" 18 February 2016. Web. 29 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms>