120 entries under sluggish topic. ×

9
passive(adjective, dull, quiet, careless, indifferent)
9
remiss(adjective, dull, careless, thoughtless)
8
dilatory(adjective, dull, quiet, slow, careless)
8
laggard(noun, adjective, dull, quiet, easy)
7
indifferent(adjective, dull, flat, low, sad)
7
lax(adjective, dull, slow, careless, indifferent)
7
leaden(adjective, dull, quiet, easy, slow)
6
do-nothing(adjective, action, dull, informal, idle)
6
tardy(adjective, dull, quiet, easy, slow)
6
tired(adjective, dull, careless, indifferent, idle)
5
dopey(adjective, dull, flat, low, sad)
5
lumpish(adjective, dull, slow, heavy)
5
spiritless(adjective, dull, sad, careless, indifferent)
4
heavy(adjective, dull, quiet, easy, slow)
4
inattentive(adjective, dull, careless, indifferent, idle)
4
lagging(adjective, dull, quiet, easy, careless)
4
slow-moving(adjective, dull, quiet, easy, slow)
4
sluggard(adjective, action, dull, slow, heavy)
3
careless(adjective, dull, indifferent, idle, apathetic)
3
comatose(adjective, dull, slow, careless, indifferent)
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APASmart Define. (2015). slothful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slothful/thesaurus/synonyms
ChicagoSmart Define. 2015. "slothful thesaurus" https://smartdefine.org/slothful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, slothful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slothful/thesaurus/synonyms>.
MLASmart Define. "slothful thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/slothful/thesaurus/synonyms>