The Collaborative International Dictionary
Gymnastic \Gym*nas"tic\ (j[i^]m*n[a^]s"t[i^]k), Gymnastical \Gym*nas"tic*al\ (j[i^]m*n[a^]s"t[i^]*kal), a. [L. gymnasticus, Gr. gymnastiko`s: cf. F. gymnastique. See Gymnasium.]
Pertaining to athletic exercises intended for health, defense, or diversion; -- originally said of games or exercises, as running, leaping, wrestling, throwing the discus, the javelin, etc.; in modern times more specifically applied to athletic exercises demonstrating balance and agility, such as tumbling, somersaulting, and bodily maneuvers performed on special equipment such as parallel bars or a balance beam; as, gymnastic exercises, contests, etc.
pertaining to disciplinary exercises for the intellect.
Wiktionary
a. (alternative form of gymnastic English)
Usage examples of "gymnastical".
The meeting of the two was not marked by the effusion vocal, gymnastical, osculatory and catechetical that distinguishes the greetings of their unprofessional sisters in society.