Roil definition

roil
To cause to be in a state of agitation or disorder.

Wars that roiled the continent for decades.

verb
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To make (a liquid) turbulent or muddy or cloudy by stirring up sediment.

The storm roiled the waters of the harbor.

verb
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To roil is to agitate or make angry.

An example of roil is for someone to upset protestors with an angry speech.

An example of roil is to make river water cloudy as you stir up the sediment from the bank.

verb
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(usage problem) To put in a state of emotional agitation; rile or upset.
verb
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To be agitated or chaotic.

When campuses were roiling with demonstrations.

verb
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To be vexed or upset.

A person who is roiling with shame.

verb
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To make (a liquid) cloudy, muddy, or unsettled by stirring up the sediment.
verb
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To stir up; agitate.
verb
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To make angry or irritable; rile.
verb
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To be agitated.
verb
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To render turbid by stirring up the dregs or sediment of.
verb
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To annoy; to make someone angry.
verb
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(intransitive) To bubble, seethe.
verb
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
verb
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To move or be in a state of turbulence, especially because of an abundance of something.

Storm clouds roiling overhead; a stream roiling with salmon.

verb
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Origin of roil

  • Origin unknown

    From American Heritage Dictionary of the English Language, 5th Edition

  • Possibly from French Middle French rouiller (“to rust, make muddy"), from Old French rouil (“mud, rust"), from Vulgar Latin *robicula, from Latin robigo (“rust, blight")

    From Wiktionary