hinder

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

Antonyms: advance aid allow assist encourage facilitate forward further help permit promote push