If you find yourself interrupting other people on a regular basis, they may perceive your behavior as rude. Learn to listen as much as you speak, especially in professional situations. The purpose of speech is to communicate rather than simply to enjoy the sound of your own voice. Another potential source of rudeness is how you approach two people having a conversation. In many cases, they may be discussing something of private interest or importance. Interrupting their conversation may be a source of annoyance. Usually, the best policy is to approach, remain silent and interject at an appropriate time.