173 entries under dull topic. ×

1
drooping(adjective, relaxed, sluggish, lazy)
1
empty(adjective, quiet, flat, heavy)
1
energyless(adjective, weak, easy, slow)
1
enervated(adjective, weak, easy, slow)
1
even(adjective, quiet, flat, slow)
1
exanimate(cold, lifeless, nonexistent, vanished)
1
faint(adjective, weak, easy, slow)
1
feeble(adjective, weak, easy, slow)
1
flagging(weak, heavy, still, idle)
1
having spring fever(expression, adjective, idiom, heavy)
1
infirm(adjective, weak, easy, slow)
1
insensate(cold, lifeless, nonliving, inorganic)
1
lagging(idle, sluggish, lazy, lethargic)
1
languishing(adjective, weak, easy, slow)
1
loafing(idle, sluggish, lazy, indolent)
1
lumpish(adjective, slow, heavy, stupid)
1
mineral(cold, lifeless, nonliving, inorganic)
1
moderate(adjective, quiet, cool, easy)
1
mooney(adjective, slow, heavy, sluggish)
1
moony(adjective, quiet, weak, easy)
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APASmart Define. (2015). inactive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>