Definition of roiling:
deranging (part of speech: verb)
- mixing up,
The weather had again become threatening- dark clouds collected overhead- the wind fell, and as the little vessel lay roiling her sides under the glass, like swell, down came the rain, not a mere sprinkling, like that of northern latitudes, but in a perfect deluge, the huge drops leaping up as they fell, and flooding the deck.- "The Three Lieutenants", W.H.G. Kingston.
- "Project Gutenberg History of The Netherlands, 1555-1623, Complete", John Lothrop Motley.
At first both walked, but, after their animal had run away several times, his capture causing much delay, trouble, and roiling of temper, they concluded that a change would have to be made if they expected ever to reach their destination.- "The Lost Trail", Edward S. Ellis.