• to become engorged, to clog, to clog up, to foul, to get clogged, to gum up, to obstruct, to obturate
• to obstruct, to occlude
• block, choking, engorgement, leading, obstruction, obturating, obturation, occlusion
• to clog, to foul, to obturate, to occlude
• in the deepest recesses of the country