48 entries under sluggish topic. ×

1
sleepy(adjective, dull, idle, lazy)
1
slothful(dull, lazy, motionless, unmoving)
1
slow(dull, lazy, motionless, unmoving)
1
slumbering(calm, gentle, still, inactive)
1
somnolent(adjective, dull, idle, lazy)
1
stable(adjective, calm, dull, still, idle)
1
static(adjective, calm, dull, still, idle)
1
still(adjective, calm, dull, gentle, idle)
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APASmart Define. (2016). inoperative thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms
ChicagoSmart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, inoperative thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>.
MLASmart Define. "inoperative thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms>