hardy

a.

  1. Bold; brave; stout; daring; resolu?e; intrepid.
  2. Confident; full of assurance; in a bad sense, morally hardened; shameless.
  3. Strong; firm; compact.
  4. Inured to fatigue or hardships; strong; capable of endurance; as, a hardy veteran; a hardy mariner.
  5. Able to withstand the cold of winter.

n.

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