349 entries under adjective topic. ×

7
derelict(soft, careless, indifferent, careful)
7
feeble(weak, loose, lifeless, sloppy)
7
heavy(dull, quiet, moderate, easy)
7
lackadaisical(dull, slow, sluggish, lazy)
7
off(dull, increase, moderate, low)
7
reluctant(quiet, easy, heavy, deliberate)
7
shiftless(dull, careless, sluggish, dubious)
7
supine(dull, loose, idle, sluggish)
6
apathetic(noun, dull, quiet, easy)
6
dormant(dull, still, sluggish, lazy)
6
down(dull, increase, weak, low)
6
drooping(weak, soft, loose, lifeless)
6
easygoing(soft, tolerant, lifeless, lenient)
6
forgetful(soft, careless, indifferent, remember)
6
indifferent(noun, dull, quiet, soft)
6
informal(free, out, unrestricted, released)
6
lifeless(dull, quiet, flat, slow)
6
sagging(weak, soft, loose, lifeless)
6
slipshod(weak, soft, careless, loose)
5
backward(dull, low, slow, late)
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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>