physically active and strong; good at athletics or sports: an athletic child.
of, like, or befitting an athlete.
of or relating to athletes; involving the use of physical skills or capabilities, as strength, agility, or stamina: athletic sports; athletic training.
for athletics: an athletic field.
Origin of athletic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1630s (athletical is from 1590s), "pertaining to an athlete," from Latin athleticus, from Greek athletikos, from athletes (see athlete). Meaning "strong of body; vigorous; lusty; robust" [Johnson, who spells it athletick] is from 1650s.
Online Etymology Dictionary, © 2010 Douglas Harper