Having rugged physical strength; inured to fatigue or hardships.
Impudent.
Able to survive adverse growing conditions.
Brave and resolute.
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.
Having excessive muscle (sometimes with implications of correspondingly inferior intellect).
Ungainly as a result of muscle over-development.
Having pronounced muscle development through weightlifting, bodybuilding, or other physical exercise.