freestyle

noun
  1. a swimming stroke in which the swimmer may use any stroke, typically the front crawl
  2. Usage: sports
  3. a style of competition or performance allowing participants to choose their own technique or approach
  4. Usage: sports; music
adjective
  1. denoting a competition or performance in which participants may use any style or technique
  2. Usage: sports
verb
  1. to perform or compete using any chosen style or technique
  2. Usage: informal; sports

Examples