To group someone or something with similar people or things. I studied hard, so don't class me with the kids who don't care. Please class these bedsheets with others that are the same size.

Educated individuals known for frequently discussing and commenting on current events, such as politics, perhaps in the media. The term is often derogatory. Primarily heard in UK, Australia. I wouldn't know what the chattering classes are on about—I pay no attention to all the talking heads.