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Recent Examples of mental deficiency from the Web
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Then English gave his closing arguments, saying that McCoy was guilty, but only of second-degree murder, because of mental deficiencies.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mental deficiency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of mental deficiency
1856
Medical Dictionary
Law Dictionary
mental deficiency
legal Definition of mental deficiency
: failure in intellectual development that is marked by low intelligence or mental retardation and that may result in an inability to function competently in society
Learn More about mental deficiency
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Britannica.com: Encyclopedia article about mental deficiency
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