0 to (cause to) move quickly in a twisting circular movement:
1 to cause something to stop working in the usual or expected way:
Devoid of the usual sweet science cliches, the book roils with dark pessimism as the characters eke out a gritty existence.
The conflict over the demolition was emblematic of a deeper political rift between the two men that was roiling the entire council.
The organization was also roiled by internal dissent and disaffiliations.
The population boomthe population increased from just under a million in 1801 to one and a quarter million by 1820 created a wild, roiling, volatile, and vibrant scene.
We have heard a good deal about, roil tonight.
Devoted partisans can use it to disrupt government, to roil ordinary politics, to undermine policies they do not like, even to seek political revenge.
The rapids, or falls, are created by a series of underwater ledges which roil the water in either direction, causing a significant navigation hazard, despite the depth of water.
