Noah Webster's New International Dictionary of the English Language

1. (superl.) Offensive to the sight; contrary to beauty; being of disagreeable or loathsome aspect; unsightly; repulsive; deformed.

2. (superl.) Ill-natured; crossgrained; quarrelsome; as, an ugly temper; to feel ugly.

3. (superl.) Unpleasant; disagreeable; likely to cause trouble or loss; as, an ugly rumor; an ugly customer.

4. (n.) A shade for the face, projecting from the bonnet.

5. (v. t.) To make ugly.