Sentence:  Tragedy developed affinities with civic ideals of restraint, manly control, and heroic discipline, but comedy, and in particular the comic body, developed affinities with anticivic excess, sexual abandon, and unmilitary, <WSD>antiathletic</WSD> slackness. 
Meaning of the word marked with <WSD> tags:  Unathletic; lacking sporting physique or ability.