111 entries under sluggish topic. ×

28
slow(verb, adjective, calm, dull, quiet)
26
lax(adjective, calm, dull, clear, separate)
19
dull(adjective, quiet, increase, weakness, low)
19
indolent(adjective, dull, quiet, easy, slow)
18
limp(adjective, dull, clear, separate, weak)
18
inactive(adjective, action, dull, quiet, flat)
18
remiss(noun, adjective, dull, soft, slow)
16
negligent(noun, adjective, quiet, soft, slow)
15
idle(verb, adjective, stop, dull, quiet)
13
careless(noun, adjective, dull, soft, indifferent)
13
inert(adjective, dull, quiet, moving, flat)
13
lazy(verb, adjective, dull, easy, slow)
12
listless(adjective, dull, quiet, energy, easy)
12
neglectful(noun, adjective, dull, soft, slow)
12
slothful(adjective, dull, quiet, flat, slow)
11
dilatory(adjective, dull, quiet, moderate, easy)
11
inattentive(noun, adjective, dull, careless, indifferent)
11
languid(adjective, dull, quiet, easy, flat)
11
relaxed(verb, adjective, clear, separate, free)
10
lethargic(adjective, dull, quiet, slow, careless)
10 years ago|29k views|share |citing 
APASmart Define. (2016). slack thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/slack/thesaurus/synonyms
ChicagoSmart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, slack thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>.
MLASmart Define. "slack thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms>