prevent Definition in the Cambridge English Dictionary
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Definition of “prevent” - English Dictionary

Definition of "prevent" - American English Dictionary

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preventverb [T]

 us   /prɪˈvent/
to ​stop something from ​happening or someone from doing something: The ​policetried to prevent him from ​leaving. Can this ​type of ​accident be prevented?
preventable
adjective  us   /prɪˈven·tə·bəl/
Fortunately, the ​suffering caused by ​ulcers is ​entirely preventable.
prevention
noun [U]  us   /prɪˈven·ʃən/
crime prevention
(Definition of prevent from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "prevent" - British English Dictionary

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preventverb [T]

uk   us   /prɪˈvent/
B1 to ​stop something from ​happening or someone from doing something: Label ​yoursuitcases to prevent ​confusion. [+ -ing verb] His ​disability prevents him (from) driving.
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(Definition of prevent from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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