- a person who is notably stupid or lacking in good judgment: I wonder why they elected that narrow-minded moron to Congress.
- (no longer in technical use; now considered offensive) a person of borderline intelligence in a former and discarded classification of intellectual disability, having an intelligence quotient of 50 to 69.
- a city in E Argentina, SW of Buenos Aires.
- a foolish or stupid person
- a person having an intelligence quotient of between 50 and 70, able to work under supervision
