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An obscenity is any utterance or act that strongly offends the prevalent morality of the time. It is derived from the Latin obscaena (offstage) a cognate of the Ancient Greek root skene, because some potentially offensive content, such as murder or sex, was depicted offstage in classical drama. The word can be used to indicate a strong moral repugnance, in expressions such as "obscene profits" or "the obscenity of war". As a legal term, it usually refers to graphic depictions of people engaged in sexual and excretory activity.

United States obscenity law