| Main Entry: | mental retardation |
| Part of Speech: | noun |
| Definition: | mental handicap |
Synonyms: |
amentia, brain damage, dementia, mental defect, mental deficiency, subnormality |
| Main Entry: | backwardness |
| Part of Speech: | noun |
| Definition: | underdevelopment |
Synonyms: |
abnormality, idiocy, mental deficiency, mental retardation, retardation, slowness |