1. (a.) Healthy; strong; muscular; vigorous; sound; as, a robust body; robust health\.

2. (a.) Violent; rough; rude.

3. (a.) Requiring strength or vigor; as, robust employment.

able-bodied active acute aggressive animated athletic beefy booming bouncing brawny brisk doughty dynamic energetic enterprising enthusiastic fit flavorful flush forceful forcible forcy fruity full of pep full-blooded full-bodied full-strength go-go gutsy gutty hale hale and hearty hard hard as nails hardy healthy hearty hefty husky impetuous incisive intense iron-hard keen kinetic lively living lusty mettlesome mighty muscular nervy nutty obstinate peppy potent powerful prospering prosperous puissant pungent red-blooded rich roaring robustious robustuous rude rugged sapid sinewy smacking snappy sound spanking spirited stalwart staunch steely stout strapping strenuous strong strong as brandy strong as strong strong-willed sturdy take-charge take-over thrifty thriving tough trenchant vibrant vigorous vital vivacious vivid well-knit zestful zesty zip zippy