90 entries under heavy topic. ×

6
benumbed(adjective, dull, quiet, flat)
6
languishing(adjective, dull, weak, energy, easy)
6
lymphatic(adjective, action, weak, energy)
6
unenthusiastic(adjective, dull, weak, easy, flat)
5
blah(adjective, calm, dull, quiet, weak)
5
dreamy(adjective, quiet, energy, easy, slow)
5
laid-back(adjective, calm, dull, quiet, cool)
5
leisurely(adjective, dull, quiet, weak, easy)
5
quiet(adjective, dull, cool, easy, flat)
4
stuporous(adjective, dull, quiet, flat)
3
dilatory(adjective, dull, quiet, easy)
3
hebetudinous(adjective, dull, slow, apathetic)
3
numb(adjective, dull, quiet, flat)
2
asleep(adjective, dull, quiet, slow)
2
dozy(adjective, dull, quiet, slow, careless)
2
draggy(adjective, dull, quiet, flat, low)
2
laggard(adjective, dull, quiet, easy)
2
out of it(expression, adjective, idiom, quiet, energy)
1
blahs(adjective, dull, weak, easy, slow)
1
callous(adjective, dull, quiet, flat)
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APASmart Define. (2016). listless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/listless/thesaurus/synonyms
ChicagoSmart Define. 2016. "listless thesaurus" https://smartdefine.org/listless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, listless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/listless/thesaurus/synonyms>.
MLASmart Define. "listless thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/listless/thesaurus/synonyms>