retardate

[ ri-tahr-deyt ]
/ rɪˈtɑr deɪt /

noun

someone who is retarded in some way, as educationally or mentally; retardee.

Origin of retardate

First recorded in 1955–60; probably back formation from retardation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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

Medicine 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.