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View synonyms for retardation

retardation

[ ree-tahr-dey-shuhn ]

noun

  1. the act of retarding or state of being retarded.
  2. something that retards; hindrance.
  3. Usually Offensive. slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc. intellectual disability ( def ), mental retardation ( def ).
  4. Music. a form of suspension that is resolved upward.


retardation

/ ˌriːtɑːˈdeɪʃən; rɪˈtɑːdmənt /

noun

  1. the act of retarding or the state of being retarded
  2. something that retards; hindrance
  3. the rate of deceleration
  4. psychiatry the slowing down of mental functioning and bodily movement
“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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Sensitive Note

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Derived Forms

  • reˈtardative, adjective
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Other Words From

  • re·tard·a·tive [ri-, tahr, -d, uh, -tiv], re·tard·a·to·ry [ri-, tahr, -d, uh, -tawr-ee, -tohr-ee], adjective
  • non·re·tar·da·tion noun
  • non·re·tard·a·tive adjective
  • non·re·tard·a·to·ry adjective
  • non·re·tard·ment noun
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Word History and Origins

Origin of retardation1

First recorded in 1400–50; late Middle English retardacioun, from Latin retardātiōn- (stem of retardātiō ), equivalent to retardāt(us) ( retard, -ate 1 ) + -iōn- noun suffix ( -ion )

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retardateretarded