250 entries under adjective topic. ×

2
meaningless(dull, simple, slow, silly)
2
pointless(dull, simple, slow, silly)
2
scatterbrained(simple, slow, silly, foolish)
2
softheaded(knowledge, ability, foolish)
2
unearthly(knowledge, ability, foolish)
2
unintellectual(simple, slow, stupid, innocent)
2
unwise(weak, simple, silly, foolish)
2
vacant
1
Boeotian
1
addle-brained
1
addled(simple, slow, stupid, sluggish)
1
apprenticed(innocent, thick, unfamiliar, unconscious)
1
benighted(innocent, thick, unfamiliar, unconscious)
1
birdbrained(foolish, crazy, innocent, vague)
1
bizarre(impractical, half-baked, doomed)
1
blind to(expression, innocent, unfamiliar, unconscious)
1
bone-headed
1
chuckle-headed
1
crack-brained
1
crass
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APASmart Define. (2015). imbecilic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, imbecilic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>.
MLASmart Define. "imbecilic thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms>