roil

[roil] /rɔɪl/
verb (used with object)
1.
to render (water, wine, etc.) turbid by stirring up sediment.
2.
to disturb or disquiet; irritate; vex:
to be roiled by a delay.
verb (used without object)
3.
to move or proceed turbulently.
Origin
1580-90; origin uncertain
Related forms
unroiled, adjective
Can be confused
roil, royal.
Synonyms
2. annoy, fret, ruffle, exasperate, provoke, rile.
Examples from the web for roil
  • In summer the roads roil with bicycles and mopeds and minicars and joggers and walkers.
  • The merger wave is continuing to roil key industries.
  • The announcement is sure to roil an already bubbling controversy over the value of that screening.
  • Internal temperature differences would not have been great enough to roil its liquid outer core and drive the magnetic dynamo.
  • The accusations are the latest of many to roil the church.
  • Neither gathering, however, provided much to roil the normally tranquil weekend news cycle.
  • The discordant moralism of indulging wealthy tyrant's daughters continues to roil the culture industry.
  • There was shelter here from the heavy winds that continued to roil the sound outside.
  • Additionally, winds and all sorts of extra-oceanic inputs can roil the surface.
  • Not only did that roil the market further-it caused a particular problem for hedge funds.
British Dictionary definitions for roil

roil

/rɔɪl/
verb
1.
(transitive) to make (a liquid) cloudy or turbid by stirring up dregs or sediment
2.
(intransitive) (esp of a liquid) to be agitated or disturbed
3.
(intransitive) (dialect) to be noisy or boisterous
4.
(transitive) another word (now rare) for rile (sense 1)
Word Origin
C16: of unknown origin; compare rile
Word Origin and History for roil
v.

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.