|Noah Webster's Dictionary|
1. (superl.) Foolishly obstinate or resolute; stubborn; unrelenting; unfeeling; stern.
2. (superl.) Resolute, in a good sense; or firm, unyielding quality; as, a man of sturdy piety or patriotism.
3. (superl.) Characterized by physical strength or force; strong; lusty; violent; as, a sturdy lout.
4. (superl.) Stiff; stout; strong; as, a sturdy oak.
5. (n.) A disease in sheep and cattle, marked by great nervousness, or by dullness and stupor.
Sturdy (3 Occurrences)
Isaiah 10:16 For this cause the Lord, the Lord of armies, will make his fat become wasted; and in his inner parts a fire will be lighted like a burning flame. (See NIV)
Isaiah 18:2 that sendeth ambassadors by the sea, even in vessels of papyrus upon the waters,'saying , Go, ye swift messengers, to a nation tall and smooth, to a people terrible from their beginning onward, a nation that meteth out and treadeth down, whose land the rivers divide! (See JPS)
Isaiah 18:7 In that time shall a present be brought unto Jehovah of hosts from a people tall and smooth, even from a people terrible from their beginning onward, a nation that meteth out and treadeth down, whose land the rivers divide, to the place of the name of Jehovah of hosts, the mount Zion. (See JPS)