47 entries under sluggish topic. ×

3
lazy(adjective, idle, dubious, inactive)
2
drowsy(adjective, dull, careless, indifferent, idle)
2
indolent(adjective, dull, idle, dubious)
2
languorous(adjective, dull, careless, indifferent, idle)
2
lethargic(adjective, dull, idle, dubious)
2
somnolent(adjective, dull, idle, inactive)
1
apathetic(adjective, dull, idle, dubious)
1
asleep on the job(expression, adjective, idiom, dull)
1
careless(adjective, dull, idle, inactive)
1
comatose(adjective, dull, idle, lazy)
1
dallying(adjective, dull, careless, indifferent, idle)
1
dilatory(adjective, dull, careless, indifferent, idle)
1
dull(adjective, careless, indifferent, idle, weary)
1
flagging(adjective, dull, careless, indifferent, idle)
1
idle(adjective, dull, careless, indifferent, weary)
1
inactive(adjective, dull, idle, lazy)
1
inattentive(adjective, dull, careless, idle)
1
indifferent(adjective, dull, idle, inactive)
1
inert(adjective, dull, idle, lazy)
1
lackadaisical(adjective, dull, idle, dubious)
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APASmart Define. (2013). unenergetic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unenergetic/thesaurus/synonyms
ChicagoSmart Define. 2013. "unenergetic thesaurus" https://smartdefine.org/unenergetic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, unenergetic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unenergetic/thesaurus/synonyms>.
MLASmart Define. "unenergetic thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/unenergetic/thesaurus/synonyms>