RP, or Received Pronunciation, is a term used to describe a standard accent of British English that is traditionally associated with the educated upper classes. While there are no direct synonyms for RP, there are a number of related terms that can be useful to know. Some of these include Standard British English, BBC English, Oxford English, Queen's English, and Public School English. These terms all refer to similar standards of English pronunciation and usage, and can be used interchangeably with RP in many situations. Whether you are learning British English as a second language or simply looking to expand your vocabulary, mastering these related terms can prove helpful in a variety of contexts.