/ dɪˈpreɪv; NAmE / verb
[ vn ] ( formal ) to make sb morally bad
SYN corrupt :
In my view this book would deprave young children.
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WORD ORIGIN
late Middle English (in the sense pervert the meaning or intention of something ): from Old French depraver or Latin depravare , from de- down, thoroughly + pravus crooked, perverse.