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



    BrE BrE//əbˈstrʌktɪv//
    ; NAmE NAmE//əbˈstrʌktɪv//
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  1. 1trying to prevent somebody/something from making progress Of course she can do it. She's just being deliberately obstructive. He proved to be an obstinate and obstructive defendant. compare constructive
  2. 2 [only before noun] (medical) connected with a passage, tube, etc. in your body that has become blocked obstructive lung disease
  3. Word Originearly 17th cent.: from obstruct + -ive.
See the Oxford Advanced American Dictionary entry: obstructive