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"
lower someone's spirits; make downhearted
"These news depressed her"
"The bad state of her child's health demoralizes her"
To destroy the morale of; to dishearten.