Open English Wordnet
Verbs
(v)corrupt, pervert, subvert, demoralize, demoralise, debauch, debase, profane, vitiate, deprave, misdirectcorrupt 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”
(v)invalidate, void, vitiatetake away the legal force of or render ineffective“invalidate a contract”