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65 entries under dull topic. ×

1
indifferent(adjective, weak, careless, heavy)
1
inert(adjective, weak, easy, slow)
1
insouciant(adjective, sluggish, lifeless, lethargic)
1
lackadaisical(adjective, weak, easy, slow)
1
laid-back(adjective, weak, careless, heavy)
1
languid(adjective, weak, easy, slow)
1
languishing(adjective, weak, easy, slow)
1
languorous(adjective, weak, easy, slow)
1
lazy(adjective, weak, easy, slow)
1
leaden(adjective, weak, easy, slow)
1
leisurely(adjective, weak, easy, slow)
1
lethargic(adjective, weak, easy, slow)
1
limp(adjective, weak, easy, slow)
1
listless(adjective, weak, energy, easy)
1
lymphatic(adjective, weak, easy, slow)
1
mopish(adjective, sluggish, lifeless, listless)
1
nebbish(adjective, weak, easy, slow)
1
neutral(adjective, sluggish, lifeless, lethargic)
1
out of it(expression, adjective, idiom, sluggish)
1
phlegmatic(adjective, weak, easy, slow)
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APASmart Define. (2011). energyless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/energyless/thesaurus/synonyms
ChicagoSmart Define. 2011. "energyless thesaurus" https://smartdefine.org/energyless/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2011, energyless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/energyless/thesaurus/synonyms>.
MLASmart Define. "energyless thesaurus" 23 May 2011. Web. 28 September 2026. <https://smartdefine.org/energyless/thesaurus/synonyms>