stumbling block

something that makes movement or progress difficult the only stumbling block to our move across the country was finding someone to adopt our cats Synonyms balk, bar, block, chain, clog, cramp, crimp, deterrent, drag, embarrassment, fetter, handicap, hindrance, holdback, hurdle, impediment, inhibition, interference, let, manacle, obstacle, obstruction, shackles, stop, encumbrance, trammelRelated Words catch, hitch, rub, snag; barrier, blockade, blockage, brick wall, stone wall; arrest, bit, brake, check, constraint, curb, hobble, rein, restraint; embargo, stoppage; delay, holdup, stall; burden, cumber, load; danger, hazard, peril, reef; adversity, difficulty, disadvantage, drawback, hardshipNear Antonyms catalyst, goad, impetus, incentive, spur, stimulant, stimulus; advantage, break, edge; aid, assistance, benefit, boost, handmaiden (also handmaid), help