An adjective phrasealways has an adjective acting as the head. The adjective phrase may also contain words or phrases before or after the head (modifiers and complements):
Adjective (head):
That’s alovelycake.
These flowers arewonderful.
Adjective preceded by a modifier (underlined):
That soup isprettycold.
Many of the exercises arefairlydifficult.
Adjective + a modifier after it:
The food wastastyenough.
The car iseconomicalfor its size.
Adjective + a word or phrase which is required to complete its meaning (a complement):
She wasawareof the danger of travelling alone.
Some people weren’twillingto pay extra to book a seat on the plane.
Adjective preceded by a modifier + a word or phrase which is required to complete its meaning (a complement):
We’re notverykeenon having an activity holiday.
Are youreallyinterestedin rock and roll?
Some adjective phrases have more complex structures.
See also:
Adjectives
Adjective phrases: position