obstructiveEnglishOxford New American Dictionaryobstructive /əbˈstrəktiv, , əbˈstrəktɪv , äbˈstrəktiv, ɑbˈstrəktɪv / ▸ adjective 1 causing a blockage or obstruction: all tubing should be cleared of obstructive algae and detritus. ▪ relating to obstruction of a passage in the body, especially the intestines or the bronchi: the child developed severe obstructive symptoms. 2 causing or tending to cause deliberate difficulties and delays: instead of being helpful, she had been a shade obstructive. – DERIVATIVES obstructively /əbˈstrəktivlē, , əbˈstrəktɪvli, äbˈstrəktivlē, ɑbˈstrəktɪvli/ adverb,obstructiveness /əbˈstrəktivnis, , əbˈstrəktɪvnɪs, äbˈstrəktivnis, ɑbˈstrəktɪvnɪs/ noun