250 entries under adjective topic. ×

4
retarded(impulsive, impractical, half-baked, doomed)
4
screwy
4
unthinking(dull, simple, slow, silly)
3
blithering
3
blockheaded(dull, slow, foolish, stupid)
3
crackpot(foolish, impractical, half-baked, doomed)
3
daffy(weak, simple, slow, silly)
3
dull-witted
3
gormless
3
lunatic(weak, simple, knowledge, ability)
3
outlandish
3
rattle-brained
3
short-sighted(weak, simple, silly, foolish)
3
simpleminded(dull, silly, foolish, stupid)
3
slow(dull, simple, silly, foolish)
3
stolid(dull, simple, slow, foolish)
3
subnormal
3
thick-witted(foolish, stupid, crazy, insane)
3
thickheaded
3
thimble-witted
11 years ago|6.2k views|share |citing 
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>