roil
roil definition
roil (ro̵il)
transitive verb
- to make (a liquid) cloudy, muddy, or unsettled by stirring up the sediment
- to stir up; agitate
- to make angry or irritable; rile
Etymology: Fr rouiller < OFr rouil, roille, rust, mud, ult. < L robigo, rust, akin to ruber, red
intransitive verb
to be agitated
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