Which statement best describes and defined features of a compound adjective

It consists of more than one word
It is used to replace a noun
Is usually a made-up word
It is always hyphenated

The statement "It consists of more than one word" best describes and defines features of a compound adjective.

The statement that best describes and defines features of a compound adjective is: "It consists of more than one word." Compound adjectives are formed by combining two or more words to describe a noun. They may or may not be hyphenated depending on the context. Compound adjectives are not used to replace a noun and are not necessarily always made-up words.