246 entries under dull topic. ×

5
stuporous(adjective, action, lethargic)
5
thick-witted(adjective, stupid)
5
uninterested(adjective, weak, heavy, still)
4
abeyant(lazy, passive, inert, motionless)
4
boring(adjective, quiet, simple, flat)
4
bovine
4
do-nothing(adjective, action, informal, lazy)
4
draggy(adjective, quiet, flat, low)
4
dumb(adjective, simple, slow, silly)
4
late(adjective, adverb, low, slow)
4
pokey(adjective, slow, inactive, listless)
4
quiescent(adjective, calm, gentle, lazy)
4
sluggard(adjective, action, slow, still)
4
unresponsive(adjective, calm, quiet, flat)
3
behind(adverb, slow, late, debt)
3
doltish(adjective, simple, slow, stupid)
3
frigid(adjective, calm, flat, unemotional)
3
laid-back(adjective, weak, easy, slow)
3
sullen(adjective, slow, inactive, listless)
3
unemotional(adjective, calm, flat, unfeeling)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>