demoralize

sense 1: corrupt morally or by intemperance or sensuality; "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals"
corrupt pervert subvert demoralize demoralise debauch debase profane vitiate deprave misdirect

sense 2: lower someone's spirits; make downhearted; "These news depressed her"; "The bad state of her child's health demoralizes her"
depress deject cast_down get_down dismay dispirit demoralize demoralise

sense 3: confuse or put into disorder; "the boss's behavior demoralized everyone in the office"
demoralize