Meaning of U in English

adj ( BrE )

1. ( humor ) typical of the dress, behaviour, speech, etc. of upper-class people. Compare non-U .

2. ( BrE ) ( in full Universal ) ( of films ) officially judged to be suitable for anyone, including children; not containing violence, sex or bad language:

a U film/certificate.

Oxford guide to British and American culture English vocabulary.      Руководство по британской и американской культуре, Оксфордский английский словарь.