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Synonyms

mental deficiency

British  

noun

  1. psychiatry a less common term for mental retardation

"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

Example Sentences

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One brother died young of kidney failure after suffering from blindness, obesity, hypogonadism and mental deficiency; the other suffered longer after kidney dialysis machines became available.

From Washington Post Jun. 28, 2022

But Dr. Pike doesn’t think a lack of animal imagery marks a mental deficiency in Neanderthals.

From New York Times Feb. 22, 2018

People who knew her said that they never noticed any signs of mental deficiency.

From The New Yorker Apr. 27, 2016

"We have no idea what we're signing, in an act of legendary mental deficiency."

From BBC Oct. 17, 2013

He advises me, as between friends, to make a clean breast of it, return the boodle, betray my accomplices, plead mental deficiency and trust to the clemency of the Court.

From Punch, or the London Charivari, Volume 159, October 27, 1920 by Seaman, Owen, Sir

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