obscenity
/ɒbˈsenətɪ/noun
(pl. -ies)［mass noun］
1- the state or quality of being obscene; obscene behaviour, language, or images淫秽; 猥亵; 猥亵的言行; 淫秽图像：
the book was banned for obscenity.
这本书因言语淫秽而被禁。
1.1
- count noun an extremely offensive word or expression污言秽语：
the men scowled and muttered obscenities.
那些人满面怒容, 嘴里咕哝着污言秽语。
词源
late 16th cent.: from French obscénité or Latin obscaenitas, from obscaenus （see OBSCENE）.