robust Synonyms

vigorous sturdy strong sound hale durable muscular sinewy tough resilient lusty forceful hardy potent powerful hearty rugged full-bodied solid rich healthy stout tenacious substantial thewy thickish toned tiger thriving steadfast salubrious severe sprightly in fine fettle stable stalwart steady stiff spry strapping strengthy sain uncompromising euphory red-blooded stabile muscle-bound nilpotent fighting fit fit as a fiddle