obstruct

1 to create difficulty for the work or activity of this would go much faster if you would stop obstructing me with your constant interruptions Synonyms clog, cramp, embarrass, encumber, fetter, handcuff, handicap, hinder, hobble, hog-tie, hold back, hold up, impede, inhibit, interfere (with), manacle, hamper, shackle, short-circuit, stymie, tie up, trammelRelated Words balk, check, constrain, curb, rein, restrain; bind, chain, halter, leash, tether, tie; arrest, brake, delay, retain, retard; barricade, block, blockade, roadblock; bog (down), mire; choke, smother, stifle, strangle, suffocate; baffle, foil, frustrate, stump, thwart; derail, disrupt, sabotage; muzzle, repress, suppress; confine, hedge (in), hem (in)Near Antonyms clear, make way, open, unclog, unplug, unstop; free, liberate, release, untie; loosen, smooth; encourage, further, promoteAntonyms aid, assist, facilitate, help

2 to prevent passage through by filling with something at the moment the city's only tunnel between downtown and the airport is obstructed by an overturned tanker truck Synonyms block, choke, clot, congest, dam, gum (up), jam, clog, occlude, 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