<p><strong>Noun</strong></p><ul><li>a person who is notably stupid or lacking in good judgment</li><li>I wonder why they elected that narrow-minded moron to Congress.</li></ul><p><strong>Psychology Description</strong></p><ul><li>(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.</li></ul>