What are coordinate adjectives?

Coordinate adjectives are adjectives that independently modify the same noun, meaning each adjective provides an equal description and can be separated by a conjunction like "and." For example, in the phrase "the bright blue sky," both "bright" and "blue" describe the noun "sky" and can be switched around or separated by "and" (e.g., "the bright and blue sky") without altering the overall meaning of the sentence. This characteristic emphasizes their equal contribution to the description of the noun.

Understanding this concept helps clarify how adjectives function to provide nuanced descriptions. In contrast, other options do not accurately capture the essence of coordinate adjectives; they describe different characteristics or functions of adjectives that do not apply to the coordinate adjective definition.