transgression Syllabification: (trans·gres·sion)Pronunciation: /transˈgreSHən, tranz-/Translate transgression | into Italian Definition of transgression noun an act that goes against a law, rule, or code of conduct; an offense:I’ll be keeping an eye out for further transgressions her transgression of etiquettetransgression in other Oxford dictionaries Definition of transgression in the British & World English dictionary