75 entries under dull topic. ×

2
washed-out(adjective, light, soft, poor)
1
blahs(adjective, weak, easy, slow)
1
bleached(adjective, light, soft, flat)
1
comatose(adjective, weak, easy, slow)
1
deathlike(adjective, light, soft, poor)
1
dopey(adjective, weak, easy, thin)
1
doughy(adjective, light, weak, soft)
1
energyless(adjective, weak, easy, slow)
1
heavy(adjective, weak, easy, slow)
1
inactive(adjective, weak, easy, slow)
1
inadequate(adjective, light, weak, soft)
1
ineffective(adjective, light, soft, poor)
1
ineffectual(adjective, light, weak, soft)
1
insubstantial(adjective, light, weak, soft)
1
lackadaisical(adjective, weak, easy, slow)
1
leisurely(adjective, weak, easy, slow)
1
limp(adjective, weak, easy, slow)
1
listless(weak, heavy, still, feeble)
1
nebbish(adjective, weak, easy, slow)
1
phlegmatic(adjective, weak, easy, slow)
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APASmart Define. (2015). sickly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sickly/thesaurus/synonyms
ChicagoSmart Define. 2015. "sickly thesaurus" https://smartdefine.org/sickly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sickly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sickly/thesaurus/synonyms>.
MLASmart Define. "sickly thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/sickly/thesaurus/synonyms>