retardate

[ ri-tahr-deyt ]
/ rɪˈtɑr deɪt /

noun

Older Use: Offensive. a person who has an intellectual disability or is otherwise limited, as educationally or emotionally.

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Origin of retardate

First recorded in 1910–15; probably back formation from retardation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for retardate

retardate
/ (rɪˈtɑːdeɪt) /

noun

psychol a person who is retarded
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for retardate

retardate
[ rĭ-tärdāt′, -dĭt ]

n.

A mentally retarded person.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.