154 entries under dull topic. ×

1
long-drawn-out(late, behind)
1
low-key(sluggish, lazy, motionless, unmoving)
1
lumpish(adjective, slow, heavy, sluggish)
1
moderate(adjective, low, stiff, late)
1
mooney(adjective, slow, heavy, sluggish)
1
mothballed(sluggish, lazy, motionless, unmoving)
1
motionless(still, sluggish, lifeless, lazy)
1
on hold(noun, expression, adjective, delay)
1
ossified(sluggish, lazy, motionless, unmoving)
1
out of service(expression, idiom, sluggish, lazy)
1
out of work(expression, idle, sluggish, lazy)
1
passive(still, sluggish, lifeless, lazy)
1
phlegmatic(adjective, slow, heavy, still)
1
pokey(adjective, slow, heavy, sluggish)
1
prolonged(late, behind)
1
protracted(late, behind)
1
quiescent(still, sluggish, lifeless, lazy)
1
quiet(adjective, still, idle, sluggish)
1
reduced(late, behind)
1
sedentary(sluggish, lazy, motionless, unmoving)
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APASmart Define. (2016). down thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/down/thesaurus/synonyms
ChicagoSmart Define. 2016. "down thesaurus" https://smartdefine.org/down/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, down thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/down/thesaurus/synonyms>.
MLASmart Define. "down thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/down/thesaurus/synonyms>