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Definitions

retardation

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


Example Sentences

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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

In children, hypothyroidism can cause cretinism, which can lead to mental retardation and growth defects.

From Textbooks • Jun. 9, 2022

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

From Seattle Times • Mar. 26, 2021

Two-thirds of the children and one-third of the adults later developed thyroid abnormalities, growth retardation or malignant tumors.

From "Cosmos" by Carl Sagan