58 entries under heavy topic. ×

6
loutish(stupid, awkward, unrefined, uncultured)
6
obtuse(adjective, dull, stupid, vulgar)
6
phlegmatic(adjective, dull, slow, sluggish)
6
unrefined(stupid, awkward, unrefined, uncultured)
5
slow(adjective, dull, simple, stupid)
5
boorish(stupid, awkward, unrefined, uncultured)
5
indolent(adjective, dull, slow, sluggish)
5
lifeless(adjective, dull, slow, sluggish)
4
bovine(adjective, dull, stupid, awkward)
4
cumbrous(adjective, easy, gravity)
4
dumb(adjective, dull, simple, slow)
4
stiff(adjective, dull, slow, rude)
3
slothful(adjective, dull, slow, sluggish)
3
supine(adjective, dull, stupid, impassive)
2
hebetudinous(adjective, dull, slow, sluggish)
2
stagnant(adjective, dull, slow, sluggish)
1
blah(adjective, dull, slow, sluggish)
1
comatose(adjective, dull, slow, sluggish)
1
down(adjective, dull, slow, sluggish)
1
dragging(adjective, dull, slow, sluggish)
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APASmart Define. (2015). lumpish thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lumpish/thesaurus/synonyms
ChicagoSmart Define. 2015. "lumpish thesaurus" https://smartdefine.org/lumpish/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, lumpish thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lumpish/thesaurus/synonyms>.
MLASmart Define. "lumpish thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/lumpish/thesaurus/synonyms>