On this page you can get a detailed analysis of a word or phrase, produced by the best artificial intelligence technology to date:
"Shut up" is a direct command with a meaning very similar to "be quiet", but which is commonly perceived as a more forceful command to stop making noise or otherwise communicating, such as talking. The phrase is probably a shortened form of "shut up your mouth" or "shut your mouth up". Its use is generally considered rude and impolite, and may also be considered a form of profanity by some.