1. (a.) Bold; brave; stout; daring; resolu?e; intrepid.

2. (a.) Confident; full of assurance; in a bad sense, morally hardened; shameless.

3. (a.) Strong; firm; compact.

4. (a.) Inured to fatigue or hardships; strong; capable of endurance; as, a hardy veteran; a hardy mariner.

5. (a.) Able to withstand the cold of winter.

6. (n.) A blacksmith's fuller or chisel, having a square shank for insertion into a square hole in an anvil, called the hardy hole.

abiding able-bodied age-long aged ancient antique beefy bold bold-spirited bouncing brave cartilaginous chewy chivalric chivalrous chronic cohesive constant continuing coriaceous courageous daring deciduous diuturnal doughty durable enduring ephemeral evergreen fearless fibrous fit flush forceful forcible forcy full-blooded full-strength gallant greathearted gristly gutsy gutty hale hale and hearty half-hardy hard hard as nails healthy hearty hefty heroic herolike husky immutable intransient intrepid inveterate iron-hard ironhearted knightlike knightly lasting leatherlike leathery lionhearted long-lasting long-lived long-standing long-term longeval longevous lusty macrobiotic manful manly mighty nervy obstinate of long duration of long standing perdurable perduring perennial permanent perpetual persistent persisting plucky potent powerful puissant red-blooded remaining resistant robust robustious robustuous ropy rude rugged sempervirent sinewy soldierlike soldierly sound stable stalwart staying steadfast steely stiff stout stouthearted strapping stringy strong strong as brandy strong as strong strong-willed stubborn sturdy tenacious tough tough as leather unfading untiring valiant valorous vigorous viscid vital wiry