'demoralise' definitions:

verb

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" [syn: corrupt, pervert, subvert, demoralize, demoralise, debauch, debase, profane, vitiate, deprave, misdirect]

verb

Lower someone's spirits; make downhearted; "These news depressed her"; "The bad state of her child's health demoralizes her" [syn: depress, deject, cast down, get down, dismay, dispirit, demoralize, demoralise] [ant: elate, intoxicate, lift up, pick up, uplift]