Synonyms|487Antonyms|204|Broader|7Narrower|0Related|1k
1
bubbleheaded
1
callow
1
calm
1
catchpenny
1
childish
1
chimerical(adjective, unsubstantial)
1
chuckleheaded
1
clean
1
cold
1
colourless
1
crazy
1
cuckoo
1
dead(adjective, dull, quiet, flat, heavy)
1
depleted
1
deserted
1
designless(adjective, insignificant, irregular, useless, empty)
1
desultory(adjective, insignificant, irregular, empty, senseless)
1
dim
1
dippy
1
diverted
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APASmart Define. (2015). vacuous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/vacuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "vacuous thesaurus" https://smartdefine.org/vacuous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, vacuous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/vacuous/thesaurus/synonyms>.
MLASmart Define. "vacuous thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/vacuous/thesaurus/synonyms>