A phrase is a group of words with no action. An adjective phrase is a group of words that describe a noun.
Look at these examples:
The larger-than-life statue is very realistic.
I found an extremely smooth stone at the beach.
The completely realistic movie gave me nightmares.
A group of words that describe a noun are known as an adjective phrase.
It’s your turn. Find the adjective phrase in this sentence: I am impressed with the widely-read historic novel that my brother wrote. Did you find the group of words that describes novel? Good for you!