57 entries under lackadaisical topic. ×

21
listless(adjective, dull, weak, energy, easy)
17
inert(adjective, dull, weak, easy, slow)
16
sluggish(adjective, dull, quiet, weak, easy)
14
lethargic(adjective, dull, quiet, weak, easy)
12
inactive(adjective, dull, quiet, weak, easy)
11
indifferent(adjective, dull, weak, easy, neglect)
11
lazy(adjective, dull, quiet, weak, easy)
10
dull(adjective, careless, relaxed, indifferent, idle)
10
torpid(adjective, dull, quiet, weak, easy)
8
apathetic(adjective, dull, weak, easy, slow)
8
slow(adjective, dull, weak, easy, careless)
7
languorous(adjective, dull, weak, easy, slow)
6
dormant(adjective, dull, stupid, weary, apathetic)
6
heavy(adjective, dull, quiet, weak, easy)
6
leaden(adjective, dull, quiet, weak, easy)
6
phlegmatic(adjective, dull, quiet, weak, easy)
4
comatose(adjective, dull, weak, easy, slow)
4
unconcerned(adjective, dull, weak, easy, slow)
4
uninterested(adjective, dull, weak, easy, slow)
4
stupefied(adjective, dull, stupid, idle, weary)
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APASmart Define. (2015). supine thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/supine/thesaurus/synonyms
ChicagoSmart Define. 2015. "supine thesaurus" https://smartdefine.org/supine/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, supine thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/supine/thesaurus/synonyms>.
MLASmart Define. "supine thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/supine/thesaurus/synonyms>