a swimming race in which people taking part can use any stroke (= swimming style) they want (usually the crawl) 自由式游泳竞赛（泳姿不限，参加者常选择爬泳） the men’s 400 m freestyle 男子 400 米自由泳
(often used as an adjective 常用作形容词 a sports competition in which people taking part can use any style that they want 自由式体育比赛 freestyle skiing 自由式滑雪