Definition: Adjective phrase: A type of sentence that employs an adjective to modify another noun or verb, such as "beautiful", "strong", "important". These adjectives are often used in sentences where a noun or verb needs to be described with more detail. Definition: Adjective phrase is a specific kind of sentence structure that uses an adjective to describe something. Adjectives have a broad range of meanings and can modify a noun, verb, or other word to indicate its quality, quantity, relationship to another thing, or purpose. The word "adjectival phrase" refers specifically to adjectives used in this structure. Examples: 1. She has beautiful hair. 2. They are strong boys. 3. My car is important for me. 4. This book is interesting.