Ugly, a. [Compar. Uglier; superl. Ugliest.]
Etymology: [Icel. uggligr fearful, dreadful; uggr fear (akin to ugga to fear) + -ligr (akin to E. -ly, like). Awe.]
1. Offensive to the sight; contrary to beauty; being of disagreeable or loathsome aspect; unsightly; repulsive; deformed. The ugly view of his deformed crimes. Spenser. Like the toad, ugly and venomous. Shak. O, I have passed a miserable night, So full of ugly sights, of ghastly dreams. Shak.
2. Ill-natured; crossgrained; quarrelsome; as, an ugly temper; to feel ugly. [Colloq. U. S.]
3. Unpleasant; disagreeable; likely to cause trouble or loss; as, an ugly rumor; an ugly customer. [Colloq.]
2 other Webster entries under this spelling
Ugly, n.
A shade for the face, projecting from the bonnet. [Colloq. Eng.] C. Kingsley.
Ugly, v. t.
To make ugly. [R.] Richardson.
Shades of meaning
Fernald lists ugly only as an antonym, under beautiful.
He lists it without comment; the entries above explain its neighbors.