66 entries under sleepy topic. ×

11
supine(adjective, dull, quiet, weak, easy)
10
heavy(adjective, dull, quiet, weak, easy)
9
dopey(adjective, action, dull, quiet, weak)
9
unconcerned(adjective, calm, dull, weak, easy)
8
dozy(adjective, quiet, slow, heavy, tired)
8
dreamy(adjective, dull, quiet, easy, slow)
8
impassive(adjective, calm, dull, weak, easy)
8
leaden(adjective, dull, quiet, weak, easy)
8
spiritless(adjective, dull, weak, easy, slow)
8
uninterested(adjective, dull, weak, easy, slow)
6
nodding(adjective, quiet, slow, heavy, tired)
6
slumberous(adjective, quiet, slow, cold, heavy)
6
soporific(adjective, dull, quiet, slow, heavy)
6
weak(adjective, dull, easy, slow, relaxed)
5
blah(adjective, calm, dull, quiet, weak)
4
asleep(adjective, dull, quiet, slow, heavy)
4
drugged(adjective, cold, dead, tired, senseless)
4
laid-back(adjective, dull, weak, easy, slow)
4
leisurely(adjective, dull, quiet, weak, easy)
4
out of it(expression, adjective, idiom, dull, quiet)
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APASmart Define. (2016). lethargic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lethargic/thesaurus/synonyms
ChicagoSmart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, lethargic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lethargic/thesaurus/synonyms>.
MLASmart Define. "lethargic thesaurus" 4 January 2016. Web. 29 September 2026. <https://smartdefine.org/lethargic/thesaurus/synonyms>