middle-class vs upper-middle-class

middle-class and upper-middle-class both are adjectives.

Word	Noun	Adjective	Verb	Adverb
middle-class	No	Yes	No	No
upper-middle-class	No	Yes	No	No

middle-class (adjective)	upper-middle-class (adjective)
occupying a socioeconomic position intermediate between those of the lower classes and the wealthy	occupying the upper part of the middle socioeconomic range in a society