- Bold; brave; stout; daring; resolu?e; intrepid.
- Confident; full of assurance; in a bad sense, morally hardened; shameless.
- Strong; firm; compact.
- Inured to fatigue or hardships; strong; capable of endurance; as, a hardy veteran; a hardy mariner.
- Able to withstand the cold of winter.
- A blacksmith's fuller or chisel, having a square shank for insertion into a square hole in an anvil, called the hardy hole.