What does "surly" mean?

Surly: 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. "That surly spirit, melancholy." Shak.

Additional senses

  1. 2.Rough; dark; tempestuous. Now softened into joy the surly storm. Thomson.

Sources