Yes, the word 'freestyle' is both an adjective and a noun.
The noun 'freestyle' is a singular, common, abstract noun; a word for a competition in which the competitors are not restricted to a certain way of performing.
Freestyle
im the freestyle king.
history of freestyle skiing
freestyle skiing.com
Freestyle
the fastest time for freestyle is 21.67
Reebok Freestyle was created in 1982.
Freestyle MetalX happened in 2003.
Freestyle Releasing was created in 2003.
freestyle means tricks on a BMX
how can freestyle football? how can freestyle football?
Very good