80 entries under sluggish topic. ×

5
supine(adjective, dull, stupid, weary, apathetic)
4
dopey(adjective, dull, simple, slow, stupid)
4
lackadaisical(adjective, dull, weary, apathetic, tired)
4
languid(adjective, dull, quiet, flat, slow)
4
moronic(adjective, dull, simple, slow, foolish)
4
simple(adjective, dull, slow, foolish, stupid)
3
backward(adjective, simple, slow, stupid)
3
brainless(adjective, dull, simple, slow, foolish)
3
imbecilic(adjective, dull, simple, slow, foolish)
3
plodding(adjective, dullness, unintelligent, obtuse)
3
simple-minded(adjective, simple, slow, stupid)
3
torpid(adjective, dull, quiet, flat, slow)
3
witless(adjective, dull, simple, slow, foolish)
2
daft(adjective, simple, slow, stupid)
2
feeble-minded(adjective, simple, slow, stupid)
2
ignorant(adjective, dull, simple, slow, stupid)
2
indolent(adjective, simple, slow, stupid, still)
2
insensate(noun, adjective, dull, simple, slow)
2
languorous(adjective, dull, still, weary, apathetic)
2
scatterbrained(adjective, simple, slow, stupid)
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APASmart Define. (2016). stolid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stolid/thesaurus/synonyms
ChicagoSmart Define. 2016. "stolid thesaurus" https://smartdefine.org/stolid/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, stolid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stolid/thesaurus/synonyms>.
MLASmart Define. "stolid thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/stolid/thesaurus/synonyms>