45 entries under dull topic. ×

26
sluggish(adjective, hard, difficult, slow)
12
heavy(adjective, easy, slow, heavy)
9
stupid(adjective, simple, slow, heavy)
7
dense(adjective, heavy, stupid, vulgar)
7
inert(adjective, slow, heavy, stupid)
7
languid(adjective, slow, heavy, sluggish)
7
listless(adjective, slow, heavy, sluggish)
7
torpid(adjective, slow, heavy, sluggish)
6
apathetic(adjective, slow, heavy, sluggish)
6
doltish(adjective, heavy, stupid, vulgar)
6
dopey(adjective, slow, heavy, sluggish)
6
lethargic(adjective, slow, heavy, sluggish)
6
obtuse(adjective, heavy, stupid, vulgar)
6
phlegmatic(adjective, slow, heavy, sluggish)
5
slow(adjective, simple, heavy, stupid)
5
indolent(adjective, slow, heavy, sluggish)
5
lifeless(adjective, slow, heavy, sluggish)
4
bovine(adjective, heavy, stupid, awkward)
4
dumb(adjective, simple, slow, heavy)
4
stiff(adjective, slow, rude, heavy)
<123>
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APASmart Define. (2015). lumpish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lumpish/thesaurus/synonyms
ChicagoSmart Define. 2015. "lumpish thesaurus" https://smartdefine.org/lumpish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lumpish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lumpish/thesaurus/synonyms>.
MLASmart Define. "lumpish thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/lumpish/thesaurus/synonyms>