mentally defective Meaning in the Cambridge English Dictionary
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Meaning of “mentally defective” in the English Dictionary

"mentally defective" in British English

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mentally defectiveadjective

uk   us   old-fashioned or offensive
If you say that someone is ​mentallydefective, you ​mean that they have ​lowmentalabilities because ​theirbrain is ​damageddue to an ​accident or ​illness, or has been ​damaged since ​birth.
(Definition of mentally defective from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “mentally defective”
in Chinese (Simplified) 有心理缺陷的,有智力缺陷的…
in Chinese (Traditional) 有心理缺陷的,有智力缺陷的…
What is the pronunciation of mentally defective?
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