Third-person singular simple present indicative form of roil.(verb)
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Use "roils" in a sentence
"CNN Political Ticker: All politics, all the time Blog Archive - Abortion once again roils health care debate « - Blogs from CNN. com"
"But they only go so far — most of this is going to happen under the surface, in the organic, emergent fog that roils beneath the parts of our professional culture that we can see and rationalize about."
"Failure to halt the crisis could lead, in the worst case, to an Italian debt default that cripples Europe's banks, plunges the region into a slump and roils the global financial system."