denoting a contest, race, or version of a sport in which there are few restrictions on the moves or techniques that competitors employ:freestyle wrestling
noun
a freestyle contest, in particular a swimming race in which competitors may use any stroke:the men’s 100 m freestyle
verb
[no object]
dance, perform, or compete in an improvised or unrestricted fashion:he just came in and freestyled over the music
Derivatives
freestyler
noun
freestyle in other Oxford dictionaries
Definition of freestyle in the US English dictionary