14
dull(adjective, slow, heavy, sluggish, impassive)
12
bungling(adjective, heavy, stupid, awkward, inept)
12
heavy(adjective, dull, easy, slow, heavy)
11
clumsy(adjective, simple, ability, heavy, stupid)
9
gawky(adjective, simple, ability, awkward, inept)
9
lumbering(heavy, stupid, awkward, inept, clumsy)
9
stupid(adjective, dull, simple, slow, heavy)
9
unwieldy(adjective, awkward, size, inept, gravity)
8
hulking(adjective, awkward, size, inept, bulky)
8
thick(adjective, density)
7
cumbersome(adjective, easy, heavy, gravity)
7
dense(adjective, dull, heavy, stupid, vulgar)
7
inert(adjective, dull, slow, heavy, stupid)
7
languid(adjective, dull, slow, heavy, sluggish)
7
listless(adjective, dull, slow, heavy, sluggish)
7
lumpen
7
stolid(adjective, stupid, apathetic)
7
torpid(adjective, dull, slow, heavy, sluggish)
7
uncultured(heavy, stupid, awkward, unrefined, uncultured)
6
apathetic(adjective, dull, slow, heavy, sluggish)
11 years ago|10k views|share |citing 
APASmart Define. (2015). lumpish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lumpish/thesaurus/synonyms
ChicagoSmart Define. 2015. "lumpish thesaurus" https://smartdefine.org/lumpish/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, lumpish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lumpish/thesaurus/synonyms>.
MLASmart Define. "lumpish thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/lumpish/thesaurus/synonyms>