Synonyms|36Antonyms|2|Broader|4Narrower|7Related|18
5
mental deficiency(noun, expression, idiom, handicap)
4
retardation
4
amentia(noun, handicap, dementia, subnormality)
4
backwardness
3
slowness
3
subnormality(noun, handicap)
2
arrested development
2
cretinism
2
mongolism
1
idiocy
1
imbecility
1
infantilism
1
insanity
1
simplicity
1
dementia(noun, handicap)
1
feeblemindedness
0
brain damage(noun, handicap)
0
mental defect(noun, handicap)
0
abnormality
0
awkwardness
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APASmart Define. (2015). mental retardation thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mental_retardation/thesaurus/synonyms
ChicagoSmart Define. 2015. "mental retardation thesaurus" https://smartdefine.org/mental_retardation/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mental retardation thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mental_retardation/thesaurus/synonyms>.
MLASmart Define. "mental retardation thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/mental_retardation/thesaurus/synonyms>