77 entries under dull topic. ×

2
half-witted(adjective, simple, slow, silly)
2
inane(adjective, simple, slow, silly)
2
nonsensical(ridiculous, absurd, outrageous, unintelligent)
2
senseless(adjective, simple, slow, silly)
2
sooty(adjective, dirty, gray, dense)
2
unclear(adjective, obscure, doubtful, dim)
1
fumy(adjective, obscure, dim, vague)
1
gullible(adjective, simple, slow, silly)
1
half-baked(adjective, simple, slow, foolish)
1
insensate(adjective, simple, slow, silly)
1
laughable(ridiculous, absurd, outrageous, unintelligent)
1
ludicrous(foolish, stupid, absurd, outrageous)
1
naive(adjective, simple, foolish, innocent)
1
numskulled(adjective, simple, slow, stupid)
1
sluggish(adjective, simple, slow, silly)
0
boorish(adjective, slow, stupid)
0
dazed(unintelligent, witless)
0
dummy(unintelligent, witless)
0
futile(unintelligent, witless)
0
ill-advised(unintelligent, witless)
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APASmart Define. (2016). thick thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>