Middle-class and Yuppie

Middle-class adjective - Occupying a socioeconomic position intermediate between those of the lower classes and the wealthy.

Yuppie and middle-class are semantically related. In some cases you can use "Yuppie" instead an adjective phrase "Middle-class".

Yuppie noun - A young upwardly mobile professional individual; a well-paid middle-class professional who works in a city and has a luxurious life style.

Middle-class and yuppie are semantically related. Sometimes you can replace phrase "Middle-class" with "Yuppie", this terms are similar.