In the phrase "The bright red balloon," what part of speech is "bright"?

In the phrase "The bright red balloon," the word "bright" functions as an adjective. Adjectives are words that describe or modify nouns, providing additional information about them. In this case, "bright" describes the quality of the noun "balloon," indicating its color or appearance. It helps to convey a specific characteristic of the balloon, which is essential for understanding the image being presented. The presence of "red" as another adjective further emphasizes the description, but "bright" alone is sufficient to identify the word's role in the phrase. This highlights its function as an adjective, which is the correct identification in this context.