91 entries under sluggish topic. ×

2
hebetudinous(adjective, dull, slow, heavy)
2
logy(adjective, slow, slow-moving, snail-paced)
2
snail-paced(adjective, slow, inactive, logy)
2
unconcerned(adjective, calm, dull, low, depressed)
1
asleep on the job(expression, idiom, dull, careless)
1
careless(dull, idle, inactive, inattentive)
1
dallying(adjective, dull, careless, indifferent, idle)
1
dilatory(adjective, dull, careless, indifferent, idle)
1
down(adjective, dull, flat, low, sad)
1
dragging(adjective, dull, slow, heavy, boring)
1
drippy(adjective, dull, flat, low, sad)
1
drowsy(adjective, dull, careless, indifferent, idle)
1
flagging(adjective, dull, careless, indifferent, idle)
1
inattentive(dull, careless, idle, dubious)
1
laggard(adjective, dull, careless, indifferent, idle)
1
lagging(adjective, dull, careless, indifferent, idle)
1
laid-back(adjective, dull, quiet, flat, slow)
1
loafing(adjective, dull, careless, indifferent, idle)
1
mooney(adjective, dull, slow, heavy)
1
moony(adjective, quiet, indifferent, weary, apathetic)
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APASmart Define. (2015). lifeless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lifeless/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifeless thesaurus" https://smartdefine.org/lifeless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lifeless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lifeless/thesaurus/synonyms>.
MLASmart Define. "lifeless thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/lifeless/thesaurus/synonyms>