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English definition of “roadblock”

roadblock

noun [C]    /ˈroʊdˌblɑk/
a temporary structure put across a road to stop traffic , esp . to try to stop illegal activity : a police roadblock fig.A roadblock can also be anything that stops progress : There have been several roadblocks in the peace process .
(Definition of roadblock noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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