gym·nas·tics [gymnasticgymnastics] BrE [dʒɪmˈnæstɪks] NAmE [dʒɪmˈnæstɪks] noun uncountable physical exercises that develop and show the body's strength and ability to move and bend easily, often done as a sport in competitions •a gymnastics competition • (figurative)mental/verbal gymnastics (= quick or clever thinking or use of words) Derived Word: ↑gymnastic