If you say that someone is being obstructive, you think that they are deliberately causing difficulties for other people. Mr Smith was obstructive and refused to follow correct procedure
A group of diseases characterized by the pathological limitation of airflow in the airway that is not fully reversible. May be caused by reactive airways, chronic infection, congenital defects, or, most commonly, cigarette smoking. Generally does not include neoplasms, which could also obstruct airways