sinewy vs brawny

sinewy and brawny both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sinewy	No	Yes	No	No
brawny	No	Yes	No	No

As adjectives, sinewy and brawny are synonyms defined as:

sinewy and brawny: (of a person) possessing physical strength and weight; rugged and powerful

Other synonyms of sinewy include hefty, muscular, powerful.

sinewy (adjective)	brawny (adjective)
consisting of tendons or resembling a tendon	(of a person) possessing physical strength and weight; rugged and powerful
(of a person) possessing physical strength and weight; rugged and powerful
(of meat) full of sinews; especially impossible to chew