3
relaxed
3
reluctant
3
reposing(adjective, inert)
3
resigned
3
retarded(adjective, slow, late, delayed, overdue)
3
slow-going(adjective, slow, lazy, lethargic, remiss)
3
snaillike
3
soft(adjective, increase, weak, loose, feeble)
3
soggy
3
sulky
3
sullen(adjective, dull, slow, inactive, listless)
3
trudging(adjective, slow)
3
unemotional(adjective, calm, dull, flat, unfeeling)
3
unenthusiastic(adjective, dull, weak, easy, slow)
3
vegetative(adjective, inert)
2
asleep(adjective, dull, quiet, heavy, lazy)
2
beat
2
behindhand(adverb, dull, slow, late, lazy)
2
belated(dull, slow, late, behind, delayed)
2
besotted(adjective, dull, simple, slow, stupid)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>