127 entries under sluggish topic. ×

21
listless(adjective, dull, weak, energy, easy)
17
inert(adjective, dull, weak, easy, slow)
14
lethargic(adjective, dull, quiet, weak, easy)
14
passive(adjective, dull, quiet, weak, easy)
13
idle(adjective, dull, quiet, easy, careless)
13
indolent(adjective, dull, quiet, easy, careless)
12
inactive(adjective, dull, quiet, weak, easy)
12
languid(adjective, dull, weak, easy, slow)
11
indifferent(adjective, dull, weak, easy, neglect)
11
lazy(adjective, dull, quiet, weak, easy)
11
slothful(adjective, dull, quiet, careless, heavy)
10
dull(adjective, careless, relaxed, indifferent, idle)
10
torpid(adjective, dull, quiet, weak, easy)
8
apathetic(adjective, dull, weak, easy, slow)
8
lackadaisical(adjective, dull, quiet, weak, easy)
8
slack(adjective, dull, loose, idle)
8
sleepy(adjective, dull, quiet, easy, slow)
8
slow(adjective, dull, weak, easy, careless)
7
languorous(adjective, dull, weak, easy, slow)
6
dormant(adjective, dull, stupid, weary, apathetic)
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APASmart Define. (2015). supine thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/supine/thesaurus/synonyms
ChicagoSmart Define. 2015. "supine thesaurus" https://smartdefine.org/supine/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, supine thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/supine/thesaurus/synonyms>.
MLASmart Define. "supine thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/supine/thesaurus/synonyms>