adjective
1. moving with or producing or produced by vigorous agitation (Freq. 1)
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winds whipped the piled leaves into churning masses
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a car stuck in the churned-up mud
• Syn: ↑churned-up
• Similar to: ↑agitated
2. (of a liquid) agitated vigorously; in a state of turbulence (Freq. 1)
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the river's roiling current
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turbulent rapids
• Similar to: ↑agitated
• Derivationally related forms: ↑turbulency (for: ↑turbulent), ↑turbulence (for: ↑turbulent)
Useful english dictionary. 2012.