free·style 
(frēstīl′)
(frēstīl′)n.
1.
a. A rapid swimming stroke consisting of alternating overarm strokes and a flutter kick; the crawl.
b. A swimming event or leg of an event in which the contestants may choose any stroke.
2. A competition, as in figure skating, skiing, or surfing, in which any maneuver or movement is allowed and competitors are judged on their artistic expression, acrobatic skill, and athleticism.
3. A style of wrestling in which all noninjurious holds or tactics are permitted.
freestyle′ adv. & adj.
freestyl′er n.