[v] take away the legal force of or render ineffective; "invalidateas a contract"
[v] make imperfect; "nothing marred her beauty"
[v] 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, debase, debauch, deflower, demoralise, demoralize, deprave, impair, invalidate, mar, misdirect, pervert, profane, spoil, subvert, void