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    invasive

    adjective
    adjective
    BrE BrE//ɪnˈveɪsɪv//
    ; NAmE NAmE//ɪnˈveɪsɪv//
    (formal)
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  1. 1(especially of diseases within the body) spreading very quickly and difficult to stop invasive cancer
  2. 2(of medical treatment) involving cutting into the body invasive surgery
    3. opposite non-invasive see also invade     Word Originlate Middle English: from obsolete French invasif, -ive or medieval Latin invasivus, from Latin invadere, from in- ‘into’ + vadere ‘go’.
See invasive in the Oxford Learner's Dictionary of Academic EnglishSee invasive in the Oxford Advanced American Dictionary
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