Something that is superquality is very, very good or excellent.
Superquality makes people think of the best, the highest level, or something really special.
Examples:
This is a superquality cake!
I want a superquality toy for my birthday.
The superquality movie was very fun to watch.
I have a superquality idea for our game.
The superquality ice cream was so good, I ate five bowls!
She always makes superquality drawings.