| 1. | a person who is notably stupid or lacking in good judgment. |
| 2. | Psychology. a person of borderline intelligence in a former classification of mental retardation, having an intelligence quotient of 50 to 69. |

moron mo·ron (môr'ŏn')
n.
A person of mild mental retardation having a mental age of from 7 to 12 years and generally having communication and social skills enabling some degree of academic or vocational education. The term belongs to a classification system no longer in use and is now considered offensive.