18
impassive(adjective, calm, dull, quiet, cool)
18
spiritless(adjective, action, dull, quiet, weak)
17
sleepy(adjective, dull, quiet, energy, easy)
17
supine(adjective, dull, weak, energy, easy)
17
uninterested(adjective, dull, weak, energy, easy)
15
inanimate(adjective, dull, energy, low, still)
15
leaden(adjective, action, dull, quiet, weak)
15
slack(adjective, dull, quiet, energy, easy)
14
limp(adjective, action, dull, weak, energy)
13
dormant(adjective, dull, quiet, energy, still)
13
uncaring(adjective, calm, cool, sharp, temper)
12
insouciant(adjective, calm, cool, energy, relaxed)
12
disinterested(adjective, calm, dull, quiet, cool)
12
heavy(adjective, dull, quiet, weak, energy)
12
heedless(adjective, energy, sharp, rude, careless)
12
pococurante(adjective, temper, cold, negative, dead)
12
stagnant(adjective, dull, quiet, easy, flat)
12
weak(adjective, dull, heavy, feeble, weary)
11
weary(adjective, dull, beat, weak, easy)
11
insensible(adjective, dull, quiet, slow, temper)
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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>