424 entries under adjective topic. ×

41
sluggish(calm, dull, quiet, weak)
37
lethargic(calm, dull, quiet, weak)
33
indolent(dull, quiet, energy, easy)
33
languid(action, dull, quiet, beat)
32
indifferent(calm, dull, quiet, cool)
30
phlegmatic(calm, dull, quiet, weak)
29
torpid(dull, quiet, weak, energy)
27
apathetic(calm, dull, quiet, cool)
26
lackadaisical(action, calm, dull, cool)
25
inactive(dull, quiet, cool, weak)
24
unconcerned(calm, dull, quiet, cool)
23
dull(calm, quiet, bad, weak)
23
inert(dull, quiet, weak, moving)
23
lazy(dull, weak, easy, slow)
22
languorous(action, dull, beat, weak)
22
lifeless(calm, dull, quiet, weak)
21
passive(calm, dull, quiet, energy)
21
slothful(dull, quiet, flat, low)
19
idle(dull, quiet, easy, slow)
19
slow(dull, quiet, cool, weak)
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APASmart Define. (2016). listless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/listless/thesaurus/synonyms
ChicagoSmart Define. 2016. "listless thesaurus" https://smartdefine.org/listless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, listless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/listless/thesaurus/synonyms>.
MLASmart Define. "listless thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/listless/thesaurus/synonyms>