349 entries under adjective topic. ×

5
dissolute(restraint, indulgent)
5
effete
5
flexible(loose, lifeless, inactive, baggy)
5
hanging(clear, separate, weak, free)
5
heedless(noun, careless, indifferent, loose)
5
incoherent(loose, coherence)
5
infirm(weak, weakness, loose, lifeless)
5
otiose
5
permissive(soft, tolerant, lazy, lenient)
5
slovenly(weak, careless, indifferent, feeble)
5
slow-moving(dull, quiet, easy, slow)
5
stagnant(dull, quiet, moderate, flat)
4
behindhand(dull, soft, low, slow)
4
deliberate(verb, stop, quiet, delay)
4
disregardful(soft, careless, indifferent, tolerant)
4
do-nothing(dull, sluggish, lazy, motionless)
4
flat
4
impotent(still, lifeless, inactive, passive)
4
inadvertent(careless, indifferent, coarse, unconcerned)
4
languorous(dull, slow, careless, indifferent)
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APASmart Define. (2016). slack thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/slack/thesaurus/synonyms
ChicagoSmart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, slack thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>.
MLASmart Define. "slack thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms>