gymnastic vs athletic

gymnastic and athletic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
gymnastic	No	Yes	No	No
athletic	No	Yes	No	No

As adjectives, gymnastic and athletic are synonyms defined as:

Other synonyms of gymnastic include acrobatic.

gymnastic (adjective)	athletic (adjective)
of or relating to or used in exercises intended to develop strength and agility	relating to or befitting athletics or athletes
vigorously active	vigorously active
	having a sturdy and well proportioned body