- Swimming.
- competition in which any of the standard strokes may be used, according to the swimmer's choice.
- the crawl.
- catch-as-catch-can.
- (in other sports) a performance or routine featuring relatively free, unrestricted movement or intended to demonstrate an individual's special skills or style, as in figure skating, gymnastics, or surfing.
- a competition or race, as in swimming, in which each participant may use a style of his or her choice instead of a specified style
- an amateur style of wrestling with an agreed set of rules
- a style of professional wrestling with no internationally agreed set of rules
- a series of acrobatics performed in skiing, etc
- (as modifier)
