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Definitions

retardation

[ree-tahr-dey-shuhn] / ˌri tɑrˈdeɪ ʃən /


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.

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

It accused Bang and Owoc of touting their energy drink with "Super Creatine" as a "miracle drink" that can "reverse mental retardation" and help cure neurological disorders.

From Reuters • Apr. 12, 2023

Risks to the fetuses in high-order pregnancies include "intrauterine growth retardation, respiratory distress syndrome, miscarriage, and preterm delivery."

From Salon • Jul. 4, 2022

The term mental retardation was often a medical diagnosis for people with intellectual or developmental disabilities.

From Seattle Times • Mar. 26, 2021

People wouldn’t use words like epilepsy, mental retardation, or neurosyphilis to describe Elsie’s condition until years later.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot