Source : WordNet®

brawny
     adj : (of a person) possessing physical strength and weight;
           rugged and powerful; "a hefty athlete"; "a muscular
           boxer"; "powerful arms" [syn: {hefty}, {muscular}, {powerful},
            {sinewy}]
     [also: {brawniest}, {brawnier}]

brawniest
     See {brawny}