What is the meaning of Hardy?

Having rugged physical strength; inured to fatigue or hardships.

Able to survive adverse growing conditions, especially frost.

Brave and resolute.

Impudent.

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.

hardy hole

hardy (having rugged physical strength)

haughty, supercilious, arrogant

Source: wiktionary.org