Synonyms|80Antonyms|0|Broader|5Narrower|0Related|5
4
moronity
3
brain damage(noun, expression, dementia, subnormality)
2
mental retardation(noun, expression, idiom, handicap, dementia)
2
amentia(noun, dementia, subnormality)
2
dementia
2
mental handicap(noun, expression, dementia, subnormality)
2
subnormality(noun, dementia)
1
aberration
1
abnormality
1
alienation
1
arrested development
1
backwardness
1
blithering idiocy
1
brainsickness
1
clouded mind
1
craziness
1
cretinism
1
daftness
1
dementedness
1
derangement
For more, visit Mental_deficiency on Power Thesaurus
11 years ago|842 views|share |citing 
APASmart Define. (2015). mental deficiency thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mental_deficiency/thesaurus/synonyms
ChicagoSmart Define. 2015. "mental deficiency thesaurus" https://smartdefine.org/mental_deficiency/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, mental deficiency thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mental_deficiency/thesaurus/synonyms>.
MLASmart Define. "mental deficiency thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/mental_deficiency/thesaurus/synonyms>