obstacle
I
noun
arrest, balk, barricade, barrier, block, bridle, catch, check, constraint, curb, dam, delay, detainment, difficulty, disallowance, drawback, embargo, enjoining, estoppel, fence, forbiddance, hamper, handicap, hindrance, hurdle, impediment, impedimentum, inconvenience, inhibition, injunction, limitation, obstruction, preclusion, prohibition, proscription, remora, restraint, restriction, snag, stop, stoppage, stopper, stumbling block, suppression, trammel
II
index
bar (obstruction), barrier, blockade (barrier), check (bar), complication, damper (stopper), deterrence, deterrent, detriment, disadvantage, drawback, encumbrance, fetter, handicap, hindrance, impasse, impediment, interruption, nuisance, obstruction, pitfall, predicament, problem, prohibition, restraint, stay
Burton's Legal Thesaurus.
William C. Burton.
2006