1 rude (to sb) (about sb/sth) not polite 粗鲁的；无礼的: She was very rude to me about my new jacket. 她就我那件新上衣不客气地说了我一通。It's rude to interrupt when people are speaking. 打断人家的话是不礼貌的。I think it was rude of them not to phone and say that they weren't coming. 他们来不了，也不打电话通知一声，太不象话了。 [SYN] impolite 同义词为impolite

2 connected with sex, using the toilet, etc in a way that might offend people 低俗的；下流的；淫猥的: a rude joke/word/gesture 低俗的笑话；下流的字眼；淫猥的姿势

3 (written 书面语) sudden and unpleasant 猝然的: If you're expecting any help from him, you're in for a rude shock. 要是你在等他帮你一把，你准要大吃一惊。 ➔rudely adv ➔rudeness noun [U]