Meaning

• (usually in the plural) Anything, especially a plant, that is hardy.

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

Meaning

• Having rugged physical strength; inured to fatigue or hardships.

• Able to survive adverse growing conditions.

  "A hardy plant is one that can withstand the extremes of climate, such as frost."

• Brave and resolute.

• Impudent.