Synonyms|487Antonyms|204|Broader|7Narrower|0Related|1k
22
clever
6
aware
5
full
5
bright
3
brilliant
3
brimming
3
busy
3
fast
3
ruminative
3
supportive
2
brainy
2
filled
2
inspirational
2
keen
2
meaningful
2
nimble
2
quick
2
sharp
1
active
1
alert
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APASmart Define. (2015). vacuous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/vacuous/thesaurus/antonyms
ChicagoSmart Define. 2015. "vacuous thesaurus" https://smartdefine.org/vacuous/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, vacuous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/vacuous/thesaurus/antonyms>.
MLASmart Define. "vacuous thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/vacuous/thesaurus/antonyms>