• WordNet 3.6
    • v roil make turbid by stirring up the sediments of
    • v roil be agitated "the sea was churning in the storm"
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Webster's Revised Unabridged Dictionary
    • Roil To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex. "That his friends should believe it, was what roiled him [Judge Jeffreys] exceedingly."
    • Roil To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.
    • Roil To romp.
    • Roil To wander; to roam.
    • ***
Century Dictionary and Cyclopedia
    • roil To run; wander; roll; rove.
    • roil To render turbid by stirring up the dregs or sediment: as, to roil wine, cider, or other liquor in casks or bottles.
    • roil To excite to some degree of anger; annoy; vex: now more commonly, in colloquial use, rile.
    • roil To perplex.
    • roil To salt (fish) by means of a roiler.
    • n roil A Flemish horse.
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Chambers's Twentieth Century Dictionary
    • v.t Roil roil to render turbid: to vex: to rile: to salt fish with a machine called a Roil′er—also Royle
    • ***


Webster's Revised Unabridged Dictionary
Cf. OE. roilen, to wander; possibly fr. OF. roeler, to roll, equiv. to F. rouler,. See Roll (v.), and cf. Rile
Chambers's Twentieth Century Dictionary
O. Fr. roeler, roler, to disturb, cog. with roll; or O. Fr. roille—L. robigo, rust.


In literature:

The Chinaman roiled the piece of bamboo in his hands and that, too, disappeared.
"Young Wild West at "Forbidden Pass"" by An Old Scout
A sea came roiling up, and hove us in among a mass of rocks over which the breakers dashed with terrific fury.
"Will Weatherhelm" by W.H.G. Kingston
Nevertheless, Hayes's action roiled the political waters.
"A Political History of the State of New York, Volumes 1-3" by DeAlva Stanwood Alexander
I remember his wild look, as the red flame, roiling between us, shut him from our sight!
"The War Trail" by Mayne Reid
He ought to take it as a danger signal and investigate the roiling, not hire himself a human or mech reminder.
"The Creature from Cleveland Depths" by Fritz Reuter Leiber
Clouds roiled below the summit, obscuring it from view.
"General Max Shorter" by Kris Ottman Neville
The take-off area became invisible under a monstrous, roiling mountain of smoke, from which threads of vapor reached to emptiness.
"Talents, Incorporated" by William Fitzgerald Jenkins
The current, like the smaller one, was yellow and roiled, and the boy looked upon it with a feeling akin to dismay.
"Camp-fire and Wigwam" by Edward Sylvester Ellis
The napalm caught, tongues of flame and roiling, greasy smoke climbed up to the sky.
"Deathworld" by Harry Harrison
A swollen sun came and paved a bloody path across a lake of roiled brown, and the water hissed with a white foam.
"Peter the Brazen" by George F. Worts

In news:

The 7th Congressional District race between two-term Democrat Ed Perlmutter and Republican Ryan Frazier has captured national attention as a possible midterm GOP wave roils on the horizon.
With Europe roiled by financial upheaval, experts say the black market for selling human organs is expanding as vulnerable, desperately poor people seek to sell their body parts.
While Gaza roils, Egypt has issues at home.
Debt ceiling debate roils austerity-crisis negotiations.
News that Justice Department, SEC are probing CEO's trading roils shares of retailer Big Lots .
National and statewide elections have a way of becoming a vast roil of negative advertisements and personal attacks.
Arizona's controversial crackdown on illegal immigration has roiled the state's politics -- and Hispanic voters, in particular.
Chicago supports a vast, roiling population of young comics tearing up stages around town every night of the week.
Boardroom brawl roils Tribune Co. TNT/TBS 2011-12 TV schedule: 'The Closer' spin-off in works.
A controversial change to the judging criteria for the L.A STAGE Alliance's Ovation Awards is roiling the Los Angeles theater community and could lead to an "evolution" of the rules.
The big lake needs to settle and clear after big winds this week roiled the waters and halted good fishing.
Pressure is mounting on both international actors and those inside Syria to contain the conflict, which is roiling relations with neighboring countries.
Europe's debt crisis has roiled financial markets and populations.
Simon's $10 billion bid for bankrupt General Growth roils retailing .
Obama ' revenge ' comment roils campaign.