indecency Syllabification: (in·de·cen·cy)Pronunciation: /inˈdēsənsē/Translate indecency | into German | into Italian | into Spanish Definition of indecency noun (plural indecencies) indecent behavior:a law governing indecency on cable television an indecent act, gesture, or expression. indecency in other Oxford dictionaries Definition of indecency in the British & World English dictionary