111 entries under sluggish topic. ×

1
tired(dull, idle, lazy, inactive)
1
trifling(dull, careless, idle, inactive)
1
unemployed(dull, lazy, motionless, unmoving)
1
unenergetic(dull, careless, idle, dubious)
1
unindustrious(dull, careless, idle, dubious)
1
unoccupied(dull, lazy, motionless, unmoving)
1
unpersevering(dull, careless, idle, inactive)
1
unready(adjective, dull, careless, indifferent, idle)
1
unresponsive(adjective, dull, quiet, flat, slow)
1
unused(dull, lazy, inactive, motionless)
0
weary(dull, idle, inactive, lethargic)
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APASmart Define. (2016). slack thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slack/thesaurus/synonyms
ChicagoSmart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, slack thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>.
MLASmart Define. "slack thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms>