Roiling
Part of speech: verb
Definition: To render turbid by stirring up the dregs or sediment of.
Turbulent
Part of speech: adjective
Definition: violently disturbed or agitated; tempestuous, tumultuousbeing in, or causing, disturbance or unrest
Example sentence: The Reform Bill has destroyed the ancient conduits and strainers, and brings Public Opinion to act upon the government with the rapid, turbulent, and uncertain violence of a flood!