4
moronic(adjective, impulsive, impractical, half-baked, doomed)
4
obstructed
4
simple-minded(adjective, ability, offensive)
4
slow-witted(adjective, ability, offensive)
4
stupid
3
arrested
3
checked
3
controlled
3
cracked
3
cretinous
3
feebleminded(adjective, handicapped)
3
latish
3
mentally retarded
3
postponed
3
slowed(verb, slowed)
3
subnormal
3
unintelligent
3
weak-minded(adjective, ability, offensive)
2
boneheaded(adjective, impulsive, impractical, half-baked, doomed)
2
crazy(impulsive, impractical, half-baked, doomed, unplanned)
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APASmart Define. (2016). retarded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/retarded/thesaurus/synonyms
ChicagoSmart Define. 2016. "retarded thesaurus" https://smartdefine.org/retarded/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, retarded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/retarded/thesaurus/synonyms>.
MLASmart Define. "retarded thesaurus" 27 January 2016. Web. 22 September 2026. <https://smartdefine.org/retarded/thesaurus/synonyms>