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noun

intrusion

CEFR B2

any entry into an area not previously occupied

In a sentence

Six example sentences with intrusion, each labelled with its topic.

  • The logs showed an intrusion at two in the morning, a login from a country where the company has no staff.

    Technology

  • Rising seas have pushed salt water into the delta's wells, and that intrusion has already made two villages move inland.

    Environment

  • The new tower is an intrusion on a skyline that had held the same four spires since 1890.

    Architecture

  • In a memory test, an intrusion is a word the subject recalls confidently even though it never appeared on the list.

    Psychology

  • The dark band in the cliff is an igneous intrusion, magma that forced its way between layers of older rock and cooled.

    Science

  • Photographing someone through their bedroom window is an intrusion the law recognizes, even if the picture is never published.

    Law

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Found in these word lists

Each source is a published word list that contains intrusion. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.