hindrance

Synonyms: albatross baggage ball and chain bar barrier catch catch-22 check clog crimp cumbrance deterrent drag drawback encumbrance excess baggage foot dragging glitch gridlock handicap hang-up hitch impedance impediment interference interruption intervention jam-up joker limitation lock millstone monkey wrench obstacle restraint restriction snag stoppage stumbling block trammel

Antonyms: advance aid assistance encouragement expedition help promotion push