roil

Verb

roil (third-person singular simple present roils, present participle roiling, simple past and past participle roiled)

1. (transitive, especially a liquid) To render turbid by stirring up the dregs or sediment of.
   • to roil wine, cider, etc, in casks or bottles
   • to roil a spring

   Synonyms:

   agitate, inturbidate, stir, stir up

2. (transitive) To annoy; to make angry; to throw into discord.
   • That his friends should believe it, was what roiled him exceedingly.1890, Roger North, Lives of the Norths
   • […] and amid Musk’s sale of 10% of his Tesla stock, a process that roiled markets, cost him billions and should produce enough tax revenue to fund the Commerce Department for a year.2021 December 13, Molly Ball, Jeffrey Kluger, Alejandro de la Garza, “Elon Musk: Person of the Year 2021”, in Time, archived from the original on 13 Dec 2021

   Synonyms:

   irritate, rile, rile up, stir up, aggravate, annoy, nettle, rankle, ruffle, sting

3. (intransitive) To bubble, seethe.
   • By noon, Brian's stomach had begun to roil and knot. He hurried down to the bathroom at the end of the hall in his stocking feet, closed the door, and vomited into the toilet bowl as quietly as he could.1991, Stephen King, Needful Things
   • Throughout the 1500s, the populace roiled over a constellation of grievances of which the forest emerged as a key focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the forest, dodged fines for forest offenses and stole from the rich to give to...2006, Edwin Black, chapter 2, in Internal Combustion
4. (intransitive) To romp or tumble.
   • The finale was a romp in which the entire troupe burst out of the bouldering cave and roiled along the walls.1991, Climbing - Issues 127-129, page 34
   • As artists they were exploratory; in Rose Colored Dance they performed in playful embrace, smelled each other's feet, and roiled in mischief, rolling on top of each other.2017, Sondra Fraleigh, Tamah Nakamura, Hijikata Tatsumi and Ohno Kazuo