[ ree-tahr-dey-shuh n ]
/ ˌri tɑrˈdeɪ ʃən /
the act of retarding or state of being retarded.
something that retards; hindrance.
Usually Offensive. slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc.See also mental retardation.
Music. a form of suspension that is resolved upward.
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Also re·tard·ment [ri-tahrd-muh nt] /rɪˈtɑrd mənt/.
Origin of retardation
usage note for retardation
OTHER WORDS FROM retardation
re·tard·a·tive [ri-tahr-duh-tiv] /rɪˈtɑr də tɪv/, re·tard·a·to·ry [ri-tahr-duh-tawr-ee, -tohr-ee] /rɪˈtɑr dəˌtɔr i, -ˌtoʊr i/, adjectivenon·re·tar·da·tion, nounnon·re·tard·a·tive, adjectivenon·re·tard·a·to·ry, adjective
Words nearby retardation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for retardation
less commonly retardment (rɪˈtɑːdmənt)
/ (ˌriːtɑːˈdeɪʃən) /
the act of retarding or the state of being retarded
something that retards; hindrance
the rate of deceleration
psychiatry the slowing down of mental functioning and bodily movement
Derived forms of retardationretardative or retardatory, adjective
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 retardation
[ rē′tär-dā′shən ]
The condition of being relatively slow in mental, emotional, or physical development.
The extent to which something is held back or delayed.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.