derail Meaning in the Cambridge English Dictionary
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Meaning of “derail” in the English Dictionary

"derail" in British English

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derailverb

uk   us   /ˌdiːˈreɪl/

derail verb (TRAIN)

[I or T] If a ​train derails or is derailed, it comes off the ​railwaytracks.

derail verb (PLAN)

[T] to ​prevent a ​plan or ​process from ​succeeding: Renewed ​fightingthreatens to derail the ​peacetalks.
derailment
noun [C or U] uk   us   /-mənt/
There's been a derailment just ​outside the ​city, and many ​people are ​feareddead.
(Definition of derail from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"derail" in American English

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derailverb [T]

 us   /dɪˈreɪl, di-/
to ​cause a ​train to ​run off the ​tracks: fig. Renewed ​fighting threatens to derail the ​peacetalks (= ​stop them from ​continuing).
(Definition of derail from the Cambridge Academic Content Dictionary © Cambridge University Press)

"derail" in Business English

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derailverb [T]

uk   us   /dɪˈreɪl/
to ​stop something from ​succeeding: Investors are very ​concerned that a new ​crisis could derail the ​economicrecovery. Analysts ​identified five ​factors which could derail the ​hi-techmarkets
(Definition of derail from the Cambridge Business English Dictionary © Cambridge University Press)
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