The term 'Upper Crust' is used to refer to the highest social class in a society. This term can be broken down into several crossword solutions, such as GENTRY (6 letters), GENTILITY (9 letters), ARISTOCRACY (11 letters), Elites (6 letters), ELITE (5 letters), POSH (4 letters), and SOIL (4 letters). GENTRY refers to the upper class of British society, while GENTILITY is the quality of being gentle or well-bred. ARISTOCRACY is a form of government in which power is held by a small group of people from the highest social class. Elites and ELITE are terms used to describe a select group of people who have a high social status. POSH is an informal term used to describe someone or something that is fashionable or luxurious, while SOIL is used to refer to the land or environment in which one lives.