246 entries under dull topic. ×

6
lagging(adjective, slow, idle, lazy)
6
lax(adjective, slow, late, lazy)
6
off(adjective, increase, moderate, low)
6
quiet(adjective, calm, heavy, lazy)
6
remiss(adjective, slow, late, inactivity)
6
shiftless(adjective, action, slow, careless)
6
soporific(adjective, quiet, slow, heavy)
6
static(adjective, quiet, still, lifeless)
6
still(adjective, calm, quiet, gentle)
6
stupefied(adjective, simple, slow, cold)
6
tame(adjective, late, insensibility, behind)
6
weak(adjective, strong, easy, slow)
5
backward(adjective, adverb, simple, low)
5
benumbed(adjective, lethargic)
5
blah(adjective, calm, quiet, weak)
5
dead(adjective, quiet, flat, low)
5
groggy(adjective, calm, flat, tired)
5
hebetudinous(adjective, action, simple, slow)
5
logy(adjective, slow, slow-moving, snail-paced)
5
stiff(adjective, moderate, low, slow)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>