Roil (verb)

1. To make (a liquid) cloudy or muddy by stirring up sediment.
2. To make (someone) very angry or upset.
3. To make (something) turbulent or disturbed.

Origin:

Origin uncertain.

Examples:

1. The boat's wake roiled the surface of the lake.
2. Her words roiled the crowd.
3. His stomach was roiled by the news.
4. The stock market was roiled by the announcement.
5. The controversy roiled the community for weeks.