Synonyms of well-built

1 Syllable
tough, strong, stout, ox
2 Syllables
manlier, hefty, ripped, strapping, stallion, big-deal, jocker, stalwart, manful, stringy, mighty, puissant, stablest, studder, tiger, brawny, burly, hulky, husky, strongest, bruising, colter, heman, oxer, sturdier, brick-wall, wiry, lusty, muscled, ropy, fibrous, stabler, jockstrap, burlier, stronger, sturdy, manliest, robust, manly
3 Syllables
caveman, stout-hearted, two-fisted, athletic, beefcake, muscular, vigorous, sinewy, powerful, herculean, substantial, stabile
4 Syllables
heavy-duty, masculine, able-bodied, powerhouse