developmental disability

noun

plural developmental disabilities
: any of various conditions (such as autism spectrum disorder, cerebral palsy, intellectual disability, blindness, or fragile X syndrome) that usually become apparent during infancy or childhood and are marked by delayed development or functional limitations especially in learning, language, communication, cognition, behavior, socialization, or mobility
Two to three babies in 1,000 have cerebral palsy (CP), making it one of the most common developmental disabilities.—Melanie Howard
Autism is a complex developmental disability that affects how a person communicates and relates to other people.—Braema Mathi
developmentally disabled adjective
developmentally disabled students

Examples of developmental disability in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The grim findings come from a survey of 524 disability care providers published Wednesday by ANCOR, an advocacy group for people with intellectual and developmental disabilities. — STAT, 2 Oct. 2026 Galloping Out horses have been adopted for dressage, polo, for children with developmental disabilities, for trail riding, or simply as companions. — Robert McCoppin, Chicago Tribune, 28 Sep. 2026 The Arc of Texas, which advocates for Texans with intellectual and developmental disabilities and their families. — David Edward Dematthews, The Conversation, 25 Sep. 2026 Since Nebraska adopted interRAI last year, the state has cut Medicaid funding to nearly 900 people with developmental disabilities. — Kaylah Jackson, NBC news, 8 Sep. 2026 See All Example Sentences for developmental disability

Word History

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of developmental disability was in 1944

Browse Nearby Words

Cite this Entry

“Developmental disability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/developmental%20disability. Accessed 6 Oct. 2026.

Kids Definition

developmental disability

noun
: any of various conditions (as autism, cerebral palsy, or intellectual disability) that are marked by delayed or impaired development (as in learning, language, or mobility)
developmentally disabled adjective

Medical Definition

developmental disability

noun
: any of various conditions (as autism spectrum disorder, cerebral palsy, intellectual disability, blindness, or fragile X syndrome) that usually become apparent during infancy or childhood and are marked by delayed development or functional limitations especially in learning, language, communication, cognition, behavior, socialization, or mobility
Two to three babies in 1,000 have cerebral palsy (CP), making it one of the most common developmental disabilities.—Melanie Howard
Autism is a complex developmental disability that affects how a person communicates and relates to other people.—Braema Mathi
developmentally disabled adjective
developmentally disabled children
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