blockage UK /ˈblɒkɪd͡ʒ/US /ˈblɑkɪd͡ʒ/ noun5 •The state or condition of being blocked. •The thing that is the cause of such a state, blocking a passage.There was a blockage in the sewer, so we called out the plumber. •Occlusion of a lumen (especially that of a blood vessel or intestine), or the thing that is causing it. •Synonym of thrombosis, thromboembolism, or embolism.Blockage of circulation quickly leads to ischemia.In selected cases, endovascular thrombectomy can quickly remove a blockage that pharmaceutical thrombolysis can't budge. •Synonym of constipation (“impairment of feces passage”). formsblockages