Roil
Roil is a verb used to refer to churning or making a liquid muddy by stirring up the sediment or making something move fast in a circular motion. Figuratively, it means to perturb or annoy.
Origin:
Of uncertain origin, the first-known use of roil in English was recorded in 1590. It perhaps came from Old French ruiler ‘to mix mortar’, from late Latin regulare ‘regulate’.
Usage:
Violent winds roiled the sea. The announcement of Omicron, the new variant of COVID-19, created panic globally, roiling markets.
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