Just because you’ve mastered the art of not looking like an uncultured ... viewed as acceptable in the United States but considered rude in other corners of the globe.

cellphones are making us rude and inattentive ... were well known to occur in people who spend a great deal of time looking down with their necks bent, surgeons among them.

City council meetings anywhere can quickly be derailed by public comments, some of which can be rude, vulgar or discriminatory. Take, for example, the Los Angeles City Council, a legislative body ...