pro·hib·it/pro`hɪbɪt; prəˈhɪbɪt/ v [T] formal to have a law or rule that stops people doing something 【正式】 〔用法令或规章〕禁止: Smoking is prohibited inside the building. 大楼内禁止吸烟。 prohibit sb from doing sth Shops in Britain are prohibited from selling alcohol to people under 18. 英国的商店被禁止向 18 岁以下人士出售酒类。