66 entries under dull topic. ×

1
impeded(late, behind)
1
indolent(adjective, slow, heavy, sluggish)
1
laid-back(adjective, slow, heavy, sluggish)
1
languid(adjective, slow, heavy, sluggish)
1
languorous(adjective, slow, heavy, sluggish)
1
leaden(adjective, slow, heavy, sluggish)
1
lethargic(adjective, slow, heavy, sluggish)
1
lifeless(adjective, slow, heavy, sluggish)
1
listless(adjective, slow, heavy, sluggish)
1
long-drawn-out(late, behind)
1
low(adjective, moderate, unhappy, depressed)
1
lumpish(adjective, slow, heavy, sluggish)
1
mooney(adjective, slow, heavy, sluggish)
1
phlegmatic(adjective, slow, heavy, sluggish)
1
pokey(adjective, slow, heavy, sluggish)
1
prolonged(late, behind)
1
protracted(late, behind)
1
reduced(late, behind)
1
sleepyheaded(adjective, slow, heavy, sluggish)
1
slothful(adjective, slow, heavy, sluggish)
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APASmart Define. (2016). off thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/off/thesaurus/synonyms
ChicagoSmart Define. 2016. "off thesaurus" https://smartdefine.org/off/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, off thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/off/thesaurus/synonyms>.
MLASmart Define. "off thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/off/thesaurus/synonyms>