3
retarded
2
idiotic
1
arrested
1
babbling
1
backward
1
blithering
1
burbling
1
crackbrained
1
cracked
1
crazy
1
cretinistic
1
cretinous
1
daft
1
dithering
1
driveling
1
drooling
1
foolish
1
half-baked
1
half-witted
1
imbecile
<123>
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APASmart Define. (2015). mentally retarded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mentally_retarded/thesaurus/synonyms
ChicagoSmart Define. 2015. "mentally retarded thesaurus" https://smartdefine.org/mentally_retarded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mentally retarded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mentally_retarded/thesaurus/synonyms>.
MLASmart Define. "mentally retarded thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/mentally_retarded/thesaurus/synonyms>