69 entries under quiet topic. ×

12
dormant(adjective, calm, dull, gentle)
12
supine(adjective, dull, weak, easy)
12
tardy(adjective, adverb, dull, low)
11
comatose(adjective, dull, weak, easy)
11
dilatory(adjective, adverb, dull, moderate)
11
heavy(adjective, dull, weak, easy)
10
dopey(adjective, action, dull, weak)
10
laggard(adjective, adverb, dull, slow)
10
somnolent(adjective, dull, slow, careless)
9
flat(adjective, calm, dull, slow)
7
motionless(adjective, calm, dull, gentle)
7
slow-moving(adjective, dull, easy, slow)
7
slumberous(adjective, dull, slow, cold)
7
spiritless(adjective, dull, weak, easy)
6
easy(adjective, dull, weak, slow)
6
immobile(adjective, calm, dull, gentle)
6
insensible(adjective, dull, flat, slow)
6
soporific(adjective, dull, slow, heavy)
6
static(adjective, dull, still, lifeless)
6
still(adjective, calm, dull, gentle)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>