- to render (water, wine, etc.) turbid by stirring up sediment.
- to disturb or disquiet; irritate; vex: to be roiled by a delay.
- to move or proceed turbulently.
Origin of roil
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for roil
Like it or not, ethnicity, assimilation and wages are the same the currents that roil immigration.Supreme Court on Gay Marriage, Voting Rights, and More
June 23, 2013
A year after the fall of Col. Muammar Gaddafi, violence continues to roil Libya, heightening fears that the revolution could fail.One Year Later, Libya’s Long Road Continues
October 22, 2012
The poet Mary Oliver tells us to row, row into the swirl and roil.David McCullough at Wellesley Commencement: ‘You Are Not Special’ (Video)
The Daily Beast
June 9, 2012
And markets in the U.K., Germany, France, Spain, Japan, and China continue to roil.Mark McKinnon: Why the Euro Crisis Matters to Americans
June 7, 2012
I know you told me not to roil round and so forth, but I knew you didn't mean it.The Little Warrior
P. G. Wodehouse
He said boast an roil, an he meant roast an boil em, didnt he?The Bobbsey Twins at Cedar Camp
Laura Lee Hope
The house being near the head, there will not water enough get into the spring, in any storm, to roil the water.Soil Culture
J. H. Walden
- (tr) to make (a liquid) cloudy or turbid by stirring up dregs or sediment
- (intr) (esp of a liquid) to be agitated or disturbed
- (intr) dialect to be noisy or boisterous
- (tr) another word (now rare) for rile (def. 1)
Word Origin and History for roil
1580s, of uncertain origin, probably from Middle French rouiller "to rust, make muddy," from Old French roil "mud, muck, rust" (12c.), from Vulgar Latin *robicula, from Latin robigo "rust" (see robust). An earlier borrowing of the French verb is Middle English roil "to roam or rove about" (early 14c.). Related: Roiled; roiling.