impediment

Synonyms: bar barricade barrier block blockage bottleneck burden catch catch-22 chain check clog cramp curb dead weight defect delay deterrent detriment difficulty disadvantage drag drawback encumbrance fault flaw handicap hazard hitch holdup hurdle inhibition load manacle millstone obstacle prohibition red tape restraint restriction retardation retardment road block rub setback shackle snag stoppage stricture stumbling block tie trammel wall

Antonyms: aid assistance facilitation furtherance help support