de ‧ praved /dɪˈpreɪvd/ BrE AmE adjective
[ Date: 1500-1600 ; Origin: deprave 'to make evil' (14-21 centuries) , from French dépraver , from Latin pravus 'bent, bad' ]
completely evil or morally unacceptable:
a killer’s depraved mind
—depravity /dɪˈprævəti, dɪˈprævɪti/ noun [uncountable]