Synonyms|487Antonyms|204|Broader|7Narrower|0Related|1k

37 entries under simple topic. ×

21
inane(adjective, dull, careless, silly)
11
meaningless(adjective, dull, silly, stupid)
10
stupid(adjective, dull, slow, careless)
9
dumb(adjective, slow, stupid, empty)
7
shallow(adjective, slow, stupid, boring)
5
senseless(adjective, careless, silly, foolish)
5
unintellectual(adjective, slow, stupid, boring)
4
scatterbrained(adjective, slow, stupid, boring)
4
unintelligent(adjective, slow, indifferent, silly)
3
brainless(adjective, dull, slow, stupid)
3
daft(adjective, slow, silly, stupid)
3
dense(adjective, dull, slow, stupid)
3
nonsensical(adjective, stupid, crazy, insignificant)
2
daffy(adjective, slow, stupid, boring)
2
dim-witted(adjective, slow, stupid, boring)
2
doltish(adjective, slow, careless, foolish)
2
half-baked(adjective, slow, stupid, boring)
2
ignorant(adjective, slow, foolish, stupid)
2
moronic(adjective, dull, slow, stupid)
2
obtuse(adjective, slow, careless, foolish)
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ChicagoSmart Define. 2015. "vacuous thesaurus" https://smartdefine.org/vacuous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, vacuous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/vacuous/thesaurus/synonyms>.
MLASmart Define. "vacuous thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/vacuous/thesaurus/synonyms>