tumble

US /ˈtʌmbəl/

UK /'tʌmbl/

B1
v.i.Intransitive VerbTo fall downwards, hitting the ground a few times
Be careful or you will tumble down the stairs
v.i.Intransitive VerbTo decrease rapidly and significantly.
Stock prices tumbled after the announcement.
v.i.Intransitive VerbTo perform acrobatic movements, such as rolls and handsprings.
The gymnast can tumble with great skill.

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