<p><strong>Noun</strong></p><ul><li>an instance or point of weakness; feebleness; incapability.</li><li>stupidity; silliness; absurdity.</li><li>an instance of stupidity, silliness, or absurdity.</li><li>(no longer in technical use; considered offensive) an intellectual disability, previously classified in a now obsolete rubric of developmental disorders as having a mental age of seven or eight years and an intelligence quotient of 25 to 50.</li></ul>