block burden crimp cripple curb delay deter frustrate hamper hamstring handicap hold up impede inhibit interfere interrupt obstruct preclude prohibit retard thwart arrest balk bar bottleneck check choke clog contravene counteract crab cramp debar encumber fetter hog-tie muzzle neutralize offset oppose resist snafu stay stop stymie terminate trammel box in get in the way hold back louse up shut out