impediment synonyms

stop wall bar check difficulty block chain fault delay load tie burden barrier disability handicap restriction drag disadvantage restraint rub obstacle deterrent prohibition hurdle obstruction setback detriment hitch drawback flaw snag hindrance retardation stricture stoppage blockage clog barricade encumbrance shackle stumbling block trammel manacle inhibition traffic jam dead weight

halting aphasia stammer lisp stutter speech defect speech disorder lallation lambdacism cleft palate dysphasia