Noah Webster's New International Dictionary of the English Language

1. (a.) Arrogant; haughty.

2. (a.) Gloomily morose; ill-natured, abrupt, and rude; severe; sour; crabbed; rough; sullen; gloomy; as, a surly groom; a surly dog; surly language; a surly look.

3. (a.) Rough; dark; tempestuous.