181 entries under sluggish topic. ×

34
dull(verb, adjective, stop, upset, characteristic)
30
stupid(adjective, characteristic, dull, simple, flat)
26
lazy(adjective, dull, weak, easy, relaxed)
24
inactive(adjective, action, dull, quiet, cool)
24
slack(verb, adjective, calm, dull, quiet)
22
lethargic(adjective, state, dull, quiet, weak)
22
torpid(adjective, characteristic, dull, quiet, weak)
21
dense(adjective, characteristic, dull, simple, heavy)
21
leisurely(adjective, calm, dull, quiet, light)
20
listless(adjective, state, dull, quiet, cool)
20
slothful(adjective, dull, quiet, flat, careless)
20
backward(adjective, adverb, dull, time, simple)
19
tardy(adjective, adverb, dull, careless, indifferent)
19
gradual(adjective, calm, quiet, smooth, soft)
18
apathetic(adjective, characteristic, dull, quiet, weak)
18
idle(adjective, dull, fail, diminish, decrease)
18
phlegmatic(adjective, characteristic, dull, weak, easy)
17
behindhand(adjective, adverb, time, property)
17
sleepy(adjective, state, dull, quiet, careless)
16
obtuse(adjective, dull, simple, heavy, silly)
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APASmart Define. (2016). slow thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/slow/thesaurus/synonyms
ChicagoSmart Define. 2016. "slow thesaurus" https://smartdefine.org/slow/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, slow thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/slow/thesaurus/synonyms>.
MLASmart Define. "slow thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/slow/thesaurus/synonyms>