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    penetrate
    /ˈpɛnɪtreɪt/

    verb

    • 1. go into or through (something), especially with force or effort: "the shrapnel had penetrated his head" Similar piercepuncturemake a hole inperforate
    • 2. gain access to (an organization, place, or system), especially when this is difficult to do: "M15 had been penetrated by Russian intelligence" Similar infiltrateslip intosneak intocreep into

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