Sturdy

1. Resolute, in a good sense; or firm, unyielding quality; as, a man of sturdy piety or patriotism.
2. Stiff; stout; strong; as, a sturdy oak.
3. A disease in sheep and cattle, marked by great nervousness, or by dullness and stupor.
4. Characterized by physical strength or force; strong; lusty; violent; as, a sturdy lout.
5. Foolishly obstinate or resolute; stubborn; unrelenting; unfeeling; stern.