occlude

to prevent passage through by filling with something a blood clot had occluded a major artery in his body Synonyms block, choke, clot, congest, dam, gum (up), jam, obstruct, clog, plug (up), stop (up), stuffRelated Words bung, cork, spile, stopper, stopple; fill, gridlock, pack; fur, silt; flood, glut, inundate, overwhelm, swampNear Antonyms excavate, hollow (out), scoop (out); empty, lightenAntonyms clear, free, open (up), unblock, unclog, unplug, unstop