1
bone-headed(adjective, foolish)
1
chuckle-headed(adjective, foolish)
1
cockamamy(silly, thoughtless, unwise)
1
crack-brained
1
cracked
1
crass
1
defective(adjective, unintellectual)
1
deficient(adjective, dull, silly, foolish, stupid)
1
demented
1
dizzy
1
dopy
1
double talk(expression, adjective, silly, stupid, insignificant)
1
fatuitous
1
feather-headed
1
flaky(adjective, silly, stupid, insignificant, unreasonable)
1
foolhardy(adjective, foolish, crazy, insane, impractical)
1
futile(adjective, dull, simple, slow, silly)
1
green(adjective, innocent, thick, unfamiliar, unconscious)
1
half-wit(adjective, unintellectual)
1
ill-advised(adjective, dull, weak, simple, silly)
11 years ago|6.2k views|share |citing 
APASmart Define. (2015). imbecilic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imbecilic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>.
MLASmart Define. "imbecilic thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms>