mental defectiveness

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  • noun

Synonyms for mental defectiveness

retardation sufficient to fall outside the normal range of intelligence

References in periodicals archive ?
mental defectiveness not amounting to imbecility, yet so pronounced that they require care, supervision and control for their own protection or the protection of others .
The class "moral imbecile" was replaced by "moral defective" which was defined as "persons in whose case there exists mental defectiveness coupled with strongly vicious or criminal propensities and who require supervision and control for the protection of others.