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retardate

[ri-tahr-deyt]
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noun
  1. 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. 2018
British Dictionary definitions for retardate

retardate

noun
  1. 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

retardate in Medicine

retardate

(rĭ-tärdāt′, -dĭt)
n.
  1. A mentally retarded person.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.