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Synonyms

intellectual disability

American  
[in-tl-ek-choo-uhl dis-uh-bil-i-tee] / ˌɪn tlˈɛk tʃu əl ˌdɪs əˈbɪl ɪ ti /

noun

  1. a developmental disorder characterized in varying degrees by significant limitations on intellectual abilities, such as learning, problem solving, and reasoning, and on adaptive abilities such as social and practical skills: the diagnostic term intellectual disability replaced the older designation mental retardation in the 2010s. ID


Etymology

Origin of intellectual disability

First recorded in 1805–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I really thought the supermajority would let states define intellectual disability however they choose and give states so much discretion that they could effectively disregard constitutional safeguards.

From Slate • May 23, 2026

The research team also highlighted an unexpected finding: some participants showed only psychiatric symptoms, even though GRIN2A changes are usually linked to epilepsy or intellectual disability.

From Science Daily • Dec. 2, 2025

Clinicians might also be less frequently assigning other labels such as intellectual disability, formally referred to as mental retardation, some data suggest.

From The Wall Street Journal • Oct. 14, 2025

"We are talking, I think, more about individuals with no intellectual disability," she says.

From BBC • May 2, 2025

He began showing signs of intellectual disability at an early age.

From "Just Mercy" by Bryan Stevenson

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