intellectual disability

noun

: mild to severe impairment in intellectual ability equivalent to an IQ of 70 to 75 or below that is accompanied by significant limitations in social, practical, and conceptual skills (as in interpersonal communication, reasoning, or self-care) necessary for independent daily functioning and that has an onset before age 18

Note: The term intellectual disability is now preferred over mental retardation in medical, educational, and regulatory contexts, as well as in general use. The term mental retardation is increasingly considered offensive, though it was the dominant term into the second decade of the current century.

Examples of intellectual disability in a Sentence

Recent Examples on the Web

Later infection can lead to congenital health problems for the baby, including intellectual disability, seizures, blindness and more. —Mustafa Fattah, NBC News, 17 Oct. 2024

Susannah Rosen, now 10 years old, has rare mutations in a gene called KIF1A, which is associated with intellectual disability, spastic limbs, and atrophy of nerve cells in the brain and eye. —Brittany Trang, STAT, 9 Aug. 2024

Symptoms include intellectual disability, little or no speech and difficulty walking, the clinic notes. —Brendan Morrow, USA TODAY, 7 Aug. 2024

Brain swelling from encephalitis can lead to convulsions, permanent hearing loss, intellectual disability and can be deadly. —Kristen Jordan Shamus, Detroit Free Press, 24 July 2024

Word History

First Known Use

1809, in the meaning defined above

Kids Definition

intellectual disability

noun

: mild to severe impairment in intellectual ability accompanied by significant limitations in skills (as in communication, reasoning, or self-care) necessary for independent daily functioning

Medical Definition

intellectual disability

noun

: mild to severe impairment in intellectual ability equivalent to an IQ of 70 to 75 or below that is accompanied by significant limitations in social, practical, and conceptual skills (as in interpersonal communication, reasoning, or self-care) necessary for independent daily functioning and that has an onset before age 18

Note: The term intellectual disability is now preferred over mental retardation in medical, educational, and regulatory contexts, as well as in general use. The term mental retardation is increasingly considered offensive, though it was the dominant term into the second decade of the current century.

… Rosa's Law, which changed references in federal law from "mental retardation" to "intellectual disability" and references to a mentally retarded individual to an individual with an intellectual disability.

—Victor R. Martinez