Definition of inroad noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɪnrəʊd//
; NAmE NAmE//ˈɪnroʊd//
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  • inroad (into something) something that is achieved, especially by reducing the power or success of something else This deal is their first major inroad into the American market.
  • Word Originmid 16th cent. (originally referring to a hostile attack or raid): from in + road (from an early use in the sense ‘riding’).Idioms
    make inroads into/on something
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    if one thing makes inroads into another, it has a noticeable effect on the second thing, especially by reducing it, or influencing it Tax rises have made some inroads into the country's national debt. By the 1950s, television had made great inroads into the territory of the news magazines.
    See the Oxford Advanced American Dictionary entry: inroad