An adjective is a word that modifies (explains) a noun.
I caught the red ball.
An adjective phrase is a phrase that modifies (explains) a noun.
I caught the ball which is red .
An adjective phrase is a group of words that describes a noun, similar to a single adjective. It provides more detail and can include multiple words modifying the noun. For example, 'the book on the table' is an adjective phrase describing 'book.'
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