Definition of invasive adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪnˈveɪsɪv//
    ; NAmE NAmE//ɪnˈveɪsɪv//
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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. see also invade opposite non-invasive
    Word Originlate Middle English: from obsolete French invasif, -ive or medieval Latin invasivus, from Latin invadere, from in- ‘into’ + vadere ‘go’.
See the Oxford Advanced American Dictionary entry: invasive

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