1. Of or befitting athletics or athletes.
2. Characterized by or involving physical activity or exertion; active: an athletic lifestyle; an athletic child.
3. Physically strong and well-developed; muscular: an actor with an athletic build. See synonyms at muscular.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.