73 entries under stupid topic. ×

1
absent-minded(careless, unthinking, obtuse, unperceptive)
1
emptied(adjective, clear, free, empty)
1
flighty(careless, absurd, unthinking, obtuse)
1
ill-considered(careless, unthinking, obtuse, unperceptive)
1
imbecilic(adjective, simple, slow, silly)
1
imprudent(careless, absurd, unthinking, obtuse)
1
insensate(adjective, dull, simple, slow)
1
lamebrained(adjective, careless, silly, empty)
1
puerile(careless, silly, absurd, unthinking)
1
simple-minded(adjective, simple, slow, boring)
1
sluggish(adjective, dull, quiet, simple, flat)
1
stolid(adjective, dull, quiet, simple, flat)
0
addled(adjective, simple, slow, boring)
0
backward(adjective, simple, slow, boring)
0
besotted(adjective, simple, slow, boring)
0
bovine(careless, unthinking, obtuse, unperceptive)
0
careless(unthinking, obtuse, unperceptive, unobservant)
0
feeble-minded(adjective, simple, slow, boring)
0
ill-advised(careless, unthinking, obtuse, unperceptive)
0
inadvertent(careless, unthinking, obtuse, unperceptive)
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APASmart Define. (2015). vacuous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vacuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "vacuous thesaurus" https://smartdefine.org/vacuous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, vacuous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vacuous/thesaurus/synonyms>.
MLASmart Define. "vacuous thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/vacuous/thesaurus/synonyms>