foolishly obstinate or resolute; stubborn; unrelenting; unfeeling; stern.-resolute, in a good sense; or firm, unyielding quality; as, a man of sturdy piety or patriotism.-characterized by physical strength or force; strong; lusty; violent; as, a sturdy lout.-stiff; stout; strong; as, a sturdy oak.-a disease in sheep and cattle, marked by great nervousness, or by dullness and stupor.