Antonyms of adj athletic

2 of 3 senses of athletic

Sense 2
acrobatic, athletic, gymnastic -- (vigorously active; "an acrobatic dance"; "an athletic child"; "athletic playing"; "gymnastic exercises")

INDIRECT (VIA active) -> inactive -- (not active physically or mentally; "illness forced him to live an inactive life"; "dreamy and inactive by nature")

Sense 3
athletic -- (having a sturdy and well proportioned body; "an athletic build")

INDIRECT (VIA endomorphic, mesomorphic) -> ectomorphic -- (having a build with little fat or muscle but with long limbs)
INDIRECT (VIA mesomorphic, ectomorphic) -> endomorphic, pyknic -- (having a squat and fleshy build; "a pyknic practical joke")

Similarity of adj athletic

3 senses of athletic

Sense 1
athletic -- (relating to or befitting athletics or athletes; "athletic facilities")

Sense 2
acrobatic, athletic, gymnastic -- (vigorously active; "an acrobatic dance"; "an athletic child"; "athletic playing"; "gymnastic exercises")
       => active (vs. inactive) -- (characterized by energetic activity; "an active toddler"; "active as a gazelle"; "an active man is a man of action")

Sense 3
athletic -- (having a sturdy and well proportioned body; "an athletic build")
       => mesomorphic (vs. ectomorphic) (vs. endomorphic), muscular -- (having a robust muscular body-build characterized by predominance of structures (bone and muscle and connective tissue) developed from the embryonic mesodermal layer)