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retarded

[ri-tahr-did] /rɪˈtɑr dɪd/
adjective
1.
characterized by a slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc.
2.
Slang. stupid or foolish.
noun
3.
(used with a plural verb) people who are slow or limited in mental development (usually preceded by the):
new schools for the retarded.
Origin
1800-1810
1800-10; retard + -ed2
Related forms
nonretarded, adjective
unretarded, adjective
Synonyms
backward, disabled, handicapped.
Usage note
In reference to low intellectual ability, the terms retarded, retardation, and mental retardation are now usually perceived as insulting. There are several acceptable alternatives. In general, someone with a mental, physical, or emotional disability may be described as developmentally disabled, or as a person with a developmental disability. If it is specifically a mental disability, the person may be described as cognitively impaired or intellectually (or mentally) disabled. Such a person may be referred to as an individual with a cognitive impairment or a person with an intellectual (or mental) disability. The slang term retard is a term of abuse used especially by children, though much less commonly than in the past. In both of its meanings, retard is perceived as insulting to disabled people. See also cripple.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un retarded

retarded

/rɪˈtɑːdɪd/
adjective
1.
underdeveloped, esp mentally and esp having an IQ of 70 to 85 See also ESN, mental handicap, subnormal (sense 2)
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
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Word Origin and History for un retarded

retarded

adj.

1810, "delayed," past participle adjective from retard (v.). In childhood development sense, "mentally slow," attested from 1895 (cf. Italian tardivi).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for un retarded

retarded

modifier

Defective and annoying: this retarded bicycle


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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