impedes, hinders, interferes, disrupts, restricts, disturbs, deprives, endangers, impairs, undermines, curtails, facilitates, stifles, restrains, discourages, prevents, frustrates, obscures, inhibits, thwarts, constricts, imperils, conceals, vitiates, taints, suppresses, deters, detaches, distorts, occludes, abets, destroys, diminishes, protects, aggravates, precludes, slows, complicates, weakens, stymies, diverts, jeopardizes, clears, emasculates, cripples, punishes, removes, alters, disregards, enlarges, impinges, defaces, detracts, hampers, irritates, sabotages, defiles, insulates, erodes, enhances, creates, demoralizes, distracts, subverts, confiscates, blackens, harms, contributes, foments, abrogates, tramples, tarnishes, deadens, expropriates, denigrates, sustains, constrains, debases, prolongs, entrenches, expels, negates, exposes, encourages, lowers, ignores, incites, pleases, impoverishes, encumbers, inflames, suffocates, hurts, contravenes, minimizes, enriches, deceives, promotes, accelerates, alienates, discredits, confuses

obstructer, obstructionist, obstructor, resister, roadhog, road hog, thwarter