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English definition of “tumble”

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tumble

verb [I]  /ˈtʌm·bəl/ us  
to fall or roll quickly and without control: Rocks tumbled down the hill. She lost her balance and tumbled into the mud. fig. Stock prices tumbled (= quickly lost a lot of value).
tumble
noun [C]  /ˈtʌm·bəl/ us  
I took a tumble and hurt my knee.
(Definition of tumble from the Cambridge Academic Content Dictionary © Cambridge University Press)
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