This is the 4406th most frequent Portuguese word.
azul
Blue.
Here, 'azul' is used as an adjective describing the color of the shirt.
A camisa azul está na gaveta.
The blue shirt is in the drawer.
In this sentence, 'azul' describes the sky, serving as a predicate adjective.
O céu está azul hoje.
The sky is blue today.
Here, 'azul' is used as a noun representing the color itself.