1. Regarding an irregular or broken surface, such as a road: The road was so rough that it was difficult for Toby to drive his car very fast.
2. Turbulent, challenging, or difficult: The stormy seas were so rough that even the sailors were feeling a bit sea sick.

When Melodie met her friends in the morning, they all talked about how rough the college examination was which they had written the day before.

3. Concerning something which is unfinished or appears to be crudely executed: The rough sketch of the sunset over the lake was charming and the artist was eager to complete the painting.

An area on a golf course covered with tall grass that makes it difficult to hit the ball: Darnell hit his drive into the rough.

1. A stiff, circular collar worn by men and women during the 16th and 17th centuries: The pictures of Trent's ancestors show them each wearing a ruff around the neck, but he had the impression that the people seemed to be uncomfortable.
2. A frill or collar of fur or feathers characteristic of some animals: Miles could see the male lion had a distinctive ruff around his neck.

The male grouse ruffles his ruff when he is courting a female grouse.