Source : Webster's Revised Unabridged Dictionary (1913)

Athletic \Ath`let"ic\, a. [L. athleticus, Gr. ?. See {Athlete}.]
   1. Of or pertaining to athletes or to the exercises practiced
      by them; as, athletic games or sports.

   2. Befitting an athlete; strong; muscular; robust; vigorous;
      as, athletic Celts. ``Athletic soundness.'' --South. --
      {Ath*let"ic*al*ly}, adv.