obscenity

n 1 [U] being obscene淫秽; 猥亵; 下流: laws against obscenity on the television禁止在电视上出现有伤风化事物的法令. 2 [C] obscene word or act 淫秽的词语或行为: He shouted obscenities at the woman. 他用下流话大骂那女子.

obligingly, oblique, oblique angle, obliquely, obliqueness, obliquity, obliterate, obliteration, oblivion, oblivious, obliviousness, oblong, obloquy, obnoxious, obnoxiously, obnoxiousness, oboe, oboist, obscene, obscenely, obscur, obscure, obscurely, obscurity, obsequies, obsequious, obsequiously, obsequiousness, observable, observance, observant, observantly, observation, observation car, observation post, observatory, observe, observer, observing, obsess,