follow Dictionary.com

Today's Word of the Day means...

mental retardation

noun
1.
Usually Offensive. a developmental disorder characterized in varying degrees by a subnormal ability to learn, a substantially low IQ, and impaired social adjustment.
Origin
1900-1915
1900-15
Usage note
See retarded.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for mental retardation

mental retardation

noun
1.
(psychiatry) the condition of having a low intelligence quotient (below 70)
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
Cite This Source
mental retardation in Medicine

mental retardation n.
Subnormal intellectual development or functioning that is the result of congenital causes, brain injury, or disease and is characterized by any of various deficiencies, ranging from impaired learning ability to social and vocational inadequacy. Also called mental deficiency.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
mental retardation in Science
mental retardation  
Below-average intellectual ability resulting from a genetic defect, brain injury, or disease, and usually present from birth or early infancy.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of The Day

Difficulty index for mental retardation

Few English speakers likely know this word

Word Value for mental

8
11
Scrabble Words With Friends